Finding the Fourth Proportional to 118,985.72, 164,204.84 and 65,273

Step by Step Solution

1. Step 1: Write the proportion equation
   118,985.72 : 164,204.84 = 65,273 : x
2. Step 2: Convert to fraction form
   118,985.72/164,204.84 = 65,273/x
3. Step 3: Cross multiply
   118,985.72x = 164,204.84 × 65,273
4. Step 4: Simplify right side
   118,985.72x = 10,718,142,521.32
5. Step 5: Solve for x
   x = 10,718,142,521.32/118,985.72
6. Step 6: Final answer
   x = 90,079.23