Finding the Fourth Proportional to 9,813.98, 13,543.39 and 5,337.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,813.98 : 13,543.39 = 5,337.83 : x
2. Step 2: Convert to fraction form
   9,813.98/13,543.39 = 5,337.83/x
3. Step 3: Cross multiply
   9,813.98x = 13,543.39 × 5,337.83
4. Step 4: Simplify right side
   9,813.98x = 72,292,232.38
5. Step 5: Solve for x
   x = 72,292,232.38/9,813.98
6. Step 6: Final answer
   x = 7,366.25