Finding the Fourth Proportional to 13,359,069.39, 18,435,551.37 and 7,247,497.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,359,069.39 : 18,435,551.37 = 7,247,497.89 : x
2. Step 2: Convert to fraction form
   13,359,069.39/18,435,551.37 = 7,247,497.89/x
3. Step 3: Cross multiply
   13,359,069.39x = 18,435,551.37 × 7,247,497.89
4. Step 4: Simplify right side
   13,359,069.39x = 133,611,619,655,061.61
5. Step 5: Solve for x
   x = 133,611,619,655,061.61/13,359,069.39
6. Step 6: Final answer
   x = 10,001,566.41