Finding the Fourth Proportional to 9,807.31, 13,532.29 and 5,829.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,807.31 : 13,532.29 = 5,829.40 : x
2. Step 2: Convert to fraction form
   9,807.31/13,532.29 = 5,829.40/x
3. Step 3: Cross multiply
   9,807.31x = 13,532.29 × 5,829.40
4. Step 4: Simplify right side
   9,807.31x = 78,885,131.33
5. Step 5: Solve for x
   x = 78,885,131.33/9,807.31
6. Step 6: Final answer
   x = 8,043.50