Finding the Fourth Proportional to 13,359,074, 18,435,557.78 and 7,247,502.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,359,074 : 18,435,557.78 = 7,247,502.52 : x
2. Step 2: Convert to fraction form
   13,359,074/18,435,557.78 = 7,247,502.52/x
3. Step 3: Cross multiply
   13,359,074x = 18,435,557.78 × 7,247,502.52
4. Step 4: Simplify right side
   13,359,074x = 133,611,751,468,155.61
5. Step 5: Solve for x
   x = 133,611,751,468,155.61/13,359,074
6. Step 6: Final answer
   x = 10,001,572.82