Finding the Fourth Proportional to 9,935.63, 13,711.42 and 5,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,935.63 : 13,711.42 = 5,459.50 : x
2. Step 2: Convert to fraction form
   9,935.63/13,711.42 = 5,459.50/x
3. Step 3: Cross multiply
   9,935.63x = 13,711.42 × 5,459.50
4. Step 4: Simplify right side
   9,935.63x = 74,857,476.86
5. Step 5: Solve for x
   x = 74,857,476.86/9,935.63
6. Step 6: Final answer
   x = 7,534.24