Finding the Fourth Proportional to 9,807.71, 13,531.32 and 5,558.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,807.71 : 13,531.32 = 5,558.31 : x
2. Step 2: Convert to fraction form
   9,807.71/13,531.32 = 5,558.31/x
3. Step 3: Cross multiply
   9,807.71x = 13,531.32 × 5,558.31
4. Step 4: Simplify right side
   9,807.71x = 75,211,271.27
5. Step 5: Solve for x
   x = 75,211,271.27/9,807.71
6. Step 6: Final answer
   x = 7,668.59