Finding the Fourth Proportional to 9,808.61, 13,535.88 and 5,332.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,808.61 : 13,535.88 = 5,332.35 : x
2. Step 2: Convert to fraction form
   9,808.61/13,535.88 = 5,332.35/x
3. Step 3: Cross multiply
   9,808.61x = 13,535.88 × 5,332.35
4. Step 4: Simplify right side
   9,808.61x = 72,178,049.72
5. Step 5: Solve for x
   x = 72,178,049.72/9,808.61
6. Step 6: Final answer
   x = 7,358.64