Finding the Fourth Proportional to 23,281.29, 32,130.27 and 13,210.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,281.29 : 32,130.27 = 13,210.16 : x
2. Step 2: Convert to fraction form
   23,281.29/32,130.27 = 13,210.16/x
3. Step 3: Cross multiply
   23,281.29x = 32,130.27 × 13,210.16
4. Step 4: Simplify right side
   23,281.29x = 424,445,846.89
5. Step 5: Solve for x
   x = 424,445,846.89/23,281.29
6. Step 6: Final answer
   x = 18,231.20