Finding the Fourth Proportional to 9,808.88, 13,535.96 and 5,332.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,808.88 : 13,535.96 = 5,332.55 : x
2. Step 2: Convert to fraction form
   9,808.88/13,535.96 = 5,332.55/x
3. Step 3: Cross multiply
   9,808.88x = 13,535.96 × 5,332.55
4. Step 4: Simplify right side
   9,808.88x = 72,181,089.16
5. Step 5: Solve for x
   x = 72,181,089.16/9,808.88
6. Step 6: Final answer
   x = 7,358.75