Finding the Fourth Proportional to 9,935.92, 13,711.71 and 5,459.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,935.92 : 13,711.71 = 5,459.59 : x
2. Step 2: Convert to fraction form
   9,935.92/13,711.71 = 5,459.59/x
3. Step 3: Cross multiply
   9,935.92x = 13,711.71 × 5,459.59
4. Step 4: Simplify right side
   9,935.92x = 74,860,314.80
5. Step 5: Solve for x
   x = 74,860,314.80/9,935.92
6. Step 6: Final answer
   x = 7,534.31