Finding the Fourth Proportional to 13,404,414.26, 18,496,611.56 and 7,522,699.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404,414.26 : 18,496,611.56 = 7,522,699.43 : x
2. Step 2: Convert to fraction form
   13,404,414.26/18,496,611.56 = 7,522,699.43/x
3. Step 3: Cross multiply
   13,404,414.26x = 18,496,611.56 × 7,522,699.43
4. Step 4: Simplify right side
   13,404,414.26x = 139,144,449,304,391.69
5. Step 5: Solve for x
   x = 139,144,449,304,391.69/13,404,414.26
6. Step 6: Final answer
   x = 10,380,494.56