Finding the Fourth Proportional to 165,949,498.86, 229,004,306.91 and 91,608,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,949,498.86 : 229,004,306.91 = 91,608,463.50 : x
2. Step 2: Convert to fraction form
   165,949,498.86/229,004,306.91 = 91,608,463.50/x
3. Step 3: Cross multiply
   165,949,498.86x = 229,004,306.91 × 91,608,463.50
4. Step 4: Simplify right side
   165,949,498.86x = 20,978,732,690,907,532
5. Step 5: Solve for x
   x = 20,978,732,690,907,532/165,949,498.86
6. Step 6: Final answer
   x = 126,416,366.64