Finding the Fourth Proportional to 157,606,109,185.06, 217,496,640,418.69 and 85,348,298,648.05

Step by Step Solution

1. Step 1: Write the proportion equation
   157,606,109,185.06 : 217,496,640,418.69 = 85,348,298,648.05 : x
2. Step 2: Convert to fraction form
   157,606,109,185.06/217,496,640,418.69 = 85,348,298,648.05/x
3. Step 3: Cross multiply
   157,606,109,185.06x = 217,496,640,418.69 × 85,348,298,648.05
4. Step 4: Simplify right side
   157,606,109,185.06x = 18,562,968,221,401,898,549,248
5. Step 5: Solve for x
   x = 18,562,968,221,401,898,549,248/157,606,109,185.06
6. Step 6: Final answer
   x = 117,780,765,716.42