Finding the Fourth Proportional to 12,472.32, 17,214.02 and 7,436.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,472.32 : 17,214.02 = 7,436.87 : x
2. Step 2: Convert to fraction form
   12,472.32/17,214.02 = 7,436.87/x
3. Step 3: Cross multiply
   12,472.32x = 17,214.02 × 7,436.87
4. Step 4: Simplify right side
   12,472.32x = 128,018,428.92
5. Step 5: Solve for x
   x = 128,018,428.92/12,472.32
6. Step 6: Final answer
   x = 10,264.20