Finding the Fourth Proportional to 9,813.88, 13,542.90 and 5,337.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,813.88 : 13,542.90 = 5,337.52 : x
2. Step 2: Convert to fraction form
   9,813.88/13,542.90 = 5,337.52/x
3. Step 3: Cross multiply
   9,813.88x = 13,542.90 × 5,337.52
4. Step 4: Simplify right side
   9,813.88x = 72,285,499.61
5. Step 5: Solve for x
   x = 72,285,499.61/9,813.88
6. Step 6: Final answer
   x = 7,365.64