Finding the Fourth Proportional to 151,722,061, 209,377,103.48 and 82,107,447.72

Step by Step Solution

1. Step 1: Write the proportion equation
   151,722,061 : 209,377,103.48 = 82,107,447.72 : x
2. Step 2: Convert to fraction form
   151,722,061/209,377,103.48 = 82,107,447.72/x
3. Step 3: Cross multiply
   151,722,061x = 209,377,103.48 × 82,107,447.72
4. Step 4: Simplify right side
   151,722,061x = 17,191,419,577,749,128
5. Step 5: Solve for x
   x = 17,191,419,577,749,128/151,722,061
6. Step 6: Final answer
   x = 113,308,634.65