Finding the Fourth Proportional to 12,507.48, 17,255.88 and 7,468.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,507.48 : 17,255.88 = 7,468.20 : x
2. Step 2: Convert to fraction form
   12,507.48/17,255.88 = 7,468.20/x
3. Step 3: Cross multiply
   12,507.48x = 17,255.88 × 7,468.20
4. Step 4: Simplify right side
   12,507.48x = 128,870,363.02
5. Step 5: Solve for x
   x = 128,870,363.02/12,507.48
6. Step 6: Final answer
   x = 10,303.46