Finding the Fourth Proportional to 23,510.88, 32,439.24 and 13,436.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,510.88 : 32,439.24 = 13,436.28 : x
2. Step 2: Convert to fraction form
   23,510.88/32,439.24 = 13,436.28/x
3. Step 3: Cross multiply
   23,510.88x = 32,439.24 × 13,436.28
4. Step 4: Simplify right side
   23,510.88x = 435,862,711.63
5. Step 5: Solve for x
   x = 435,862,711.63/23,510.88
6. Step 6: Final answer
   x = 18,538.77