Finding the Fourth Proportional to 23,300.50, 32,157.12 and 13,231.66

Step by Step Solution

1. Step 1: Write the proportion equation
   23,300.50 : 32,157.12 = 13,231.66 : x
2. Step 2: Convert to fraction form
   23,300.50/32,157.12 = 13,231.66/x
3. Step 3: Cross multiply
   23,300.50x = 32,157.12 × 13,231.66
4. Step 4: Simplify right side
   23,300.50x = 425,492,078.42
5. Step 5: Solve for x
   x = 425,492,078.42/23,300.50
6. Step 6: Final answer
   x = 18,261.07