Finding the Fourth Proportional to 12,505.92, 17,255.52 and 7,468.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,505.92 : 17,255.52 = 7,468.80 : x
2. Step 2: Convert to fraction form
   12,505.92/17,255.52 = 7,468.80/x
3. Step 3: Cross multiply
   12,505.92x = 17,255.52 × 7,468.80
4. Step 4: Simplify right side
   12,505.92x = 128,878,027.78
5. Step 5: Solve for x
   x = 128,878,027.78/12,505.92
6. Step 6: Final answer
   x = 10,305.36