Finding the Fourth Proportional to 9,103.52, 12,531.26 and 7,848.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.52 : 12,531.26 = 7,848.72 : x
2. Step 2: Convert to fraction form
   9,103.52/12,531.26 = 7,848.72/x
3. Step 3: Cross multiply
   9,103.52x = 12,531.26 × 7,848.72
4. Step 4: Simplify right side
   9,103.52x = 98,354,311.74
5. Step 5: Solve for x
   x = 98,354,311.74/9,103.52
6. Step 6: Final answer
   x = 10,803.99