Finding the Fourth Proportional to 8,807.40, 12,153.31 and 5,031.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.40 : 12,153.31 = 5,031.52 : x
2. Step 2: Convert to fraction form
   8,807.40/12,153.31 = 5,031.52/x
3. Step 3: Cross multiply
   8,807.40x = 12,153.31 × 5,031.52
4. Step 4: Simplify right side
   8,807.40x = 61,149,579.37
5. Step 5: Solve for x
   x = 61,149,579.37/8,807.40
6. Step 6: Final answer
   x = 6,942.98