Finding the Fourth Proportional to 9,996.31, 14,980.92 and 5,543.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,996.31 : 14,980.92 = 5,543.47 : x
2. Step 2: Convert to fraction form
   9,996.31/14,980.92 = 5,543.47/x
3. Step 3: Cross multiply
   9,996.31x = 14,980.92 × 5,543.47
4. Step 4: Simplify right side
   9,996.31x = 83,046,280.59
5. Step 5: Solve for x
   x = 83,046,280.59/9,996.31
6. Step 6: Final answer
   x = 8,307.69