Finding the Fourth Proportional to 165,949,499.86, 229,004,308.29 and 91,608,464.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,949,499.86 : 229,004,308.29 = 91,608,464.50 : x
2. Step 2: Convert to fraction form
   165,949,499.86/229,004,308.29 = 91,608,464.50/x
3. Step 3: Cross multiply
   165,949,499.86x = 229,004,308.29 × 91,608,464.50
4. Step 4: Simplify right side
   165,949,499.86x = 20,978,733,046,331,520
5. Step 5: Solve for x
   x = 20,978,733,046,331,520/165,949,499.86
6. Step 6: Final answer
   x = 126,416,368.02