Finding the Fourth Proportional to 8,300,965.05, 12,425,909.52 and 5,416,120.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300,965.05 : 12,425,909.52 = 5,416,120.08 : x
2. Step 2: Convert to fraction form
   8,300,965.05/12,425,909.52 = 5,416,120.08/x
3. Step 3: Cross multiply
   8,300,965.05x = 12,425,909.52 × 5,416,120.08
4. Step 4: Simplify right side
   8,300,965.05x = 67,300,218,032,470.38
5. Step 5: Solve for x
   x = 67,300,218,032,470.38/8,300,965.05
6. Step 6: Final answer
   x = 8,107,517.34