Finding the Fourth Proportional to 12,541,139.76, 18,814,869.78 and 3,565,691.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,541,139.76 : 18,814,869.78 = 3,565,691.76 : x
2. Step 2: Convert to fraction form
   12,541,139.76/18,814,869.78 = 3,565,691.76/x
3. Step 3: Cross multiply
   12,541,139.76x = 18,814,869.78 × 3,565,691.76
4. Step 4: Simplify right side
   12,541,139.76x = 67,088,026,140,019.02
5. Step 5: Solve for x
   x = 67,088,026,140,019.02/12,541,139.76
6. Step 6: Final answer
   x = 5,349,436.13