Finding the Fourth Proportional to 9,031.20, 12,462.60 and 5,051.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,031.20 : 12,462.60 = 5,051.52 : x
2. Step 2: Convert to fraction form
   9,031.20/12,462.60 = 5,051.52/x
3. Step 3: Cross multiply
   9,031.20x = 12,462.60 × 5,051.52
4. Step 4: Simplify right side
   9,031.20x = 62,955,073.15
5. Step 5: Solve for x
   x = 62,955,073.15/9,031.20
6. Step 6: Final answer
   x = 6,970.84