Finding the Fourth Proportional to 9,131.52, 12,601.52 and 5,152.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.52 : 12,601.52 = 5,152.48 : x
2. Step 2: Convert to fraction form
   9,131.52/12,601.52 = 5,152.48/x
3. Step 3: Cross multiply
   9,131.52x = 12,601.52 × 5,152.48
4. Step 4: Simplify right side
   9,131.52x = 64,929,079.77
5. Step 5: Solve for x
   x = 64,929,079.77/9,131.52
6. Step 6: Final answer
   x = 7,110.44