Finding the Fourth Proportional to 23,693.42, 32,696.31 and 15,617.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,693.42 : 32,696.31 = 15,617.18 : x
2. Step 2: Convert to fraction form
   23,693.42/32,696.31 = 15,617.18/x
3. Step 3: Cross multiply
   23,693.42x = 32,696.31 × 15,617.18
4. Step 4: Simplify right side
   23,693.42x = 510,624,158.61
5. Step 5: Solve for x
   x = 510,624,158.61/23,693.42
6. Step 6: Final answer
   x = 21,551.31