Finding the Fourth Proportional to 10,456,354.90, 15,690,105.15 and 4,066,815.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,456,354.90 : 15,690,105.15 = 4,066,815.70 : x
2. Step 2: Convert to fraction form
   10,456,354.90/15,690,105.15 = 4,066,815.70/x
3. Step 3: Cross multiply
   10,456,354.90x = 15,690,105.15 × 4,066,815.70
4. Step 4: Simplify right side
   10,456,354.90x = 63,808,765,958,670.86
5. Step 5: Solve for x
   x = 63,808,765,958,670.86/10,456,354.90
6. Step 6: Final answer
   x = 6,102,390.99