Finding the Fourth Proportional to 23,506.65, 32,438.58 and 13,158.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,506.65 : 32,438.58 = 13,158.25 : x
2. Step 2: Convert to fraction form
   23,506.65/32,438.58 = 13,158.25/x
3. Step 3: Cross multiply
   23,506.65x = 32,438.58 × 13,158.25
4. Step 4: Simplify right side
   23,506.65x = 426,834,945.29
5. Step 5: Solve for x
   x = 426,834,945.29/23,506.65
6. Step 6: Final answer
   x = 18,158.05