Finding the Fourth Proportional to 23,500.01, 32,430.42 and 12,889.62

Step by Step Solution

1. Step 1: Write the proportion equation
   23,500.01 : 32,430.42 = 12,889.62 : x
2. Step 2: Convert to fraction form
   23,500.01/32,430.42 = 12,889.62/x
3. Step 3: Cross multiply
   23,500.01x = 32,430.42 × 12,889.62
4. Step 4: Simplify right side
   23,500.01x = 418,015,790.24
5. Step 5: Solve for x
   x = 418,015,790.24/23,500.01
6. Step 6: Final answer
   x = 17,787.90