Finding the Fourth Proportional to 115,347,906.50, 159,181,103.50 and 65,790,789.34

Step by Step Solution

1. Step 1: Write the proportion equation
   115,347,906.50 : 159,181,103.50 = 65,790,789.34 : x
2. Step 2: Convert to fraction form
   115,347,906.50/159,181,103.50 = 65,790,789.34/x
3. Step 3: Cross multiply
   115,347,906.50x = 159,181,103.50 × 65,790,789.34
4. Step 4: Simplify right side
   115,347,906.50x = 10,472,650,447,367,964
5. Step 5: Solve for x
   x = 10,472,650,447,367,964/115,347,906.50
6. Step 6: Final answer
   x = 90,791,855.39