Finding the Fourth Proportional to 8,578,105.12, 12,869,648.03 and 3,457,892.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,578,105.12 : 12,869,648.03 = 3,457,892.62 : x
2. Step 2: Convert to fraction form
   8,578,105.12/12,869,648.03 = 3,457,892.62/x
3. Step 3: Cross multiply
   8,578,105.12x = 12,869,648.03 × 3,457,892.62
4. Step 4: Simplify right side
   8,578,105.12x = 44,501,860,944,934.54
5. Step 5: Solve for x
   x = 44,501,860,944,934.54/8,578,105.12
6. Step 6: Final answer
   x = 5,187,842.81