Finding the Fourth Proportional to 12,465.24, 17,201.25 and 7,156.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,465.24 : 17,201.25 = 7,156.32 : x
2. Step 2: Convert to fraction form
   12,465.24/17,201.25 = 7,156.32/x
3. Step 3: Cross multiply
   12,465.24x = 17,201.25 × 7,156.32
4. Step 4: Simplify right side
   12,465.24x = 123,097,649.40
5. Step 5: Solve for x
   x = 123,097,649.40/12,465.24
6. Step 6: Final answer
   x = 9,875.27