Finding the Fourth Proportional to 23,501.72, 32,432.37 and 12,891.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,501.72 : 32,432.37 = 12,891.38 : x
2. Step 2: Convert to fraction form
   23,501.72/32,432.37 = 12,891.38/x
3. Step 3: Cross multiply
   23,501.72x = 32,432.37 × 12,891.38
4. Step 4: Simplify right side
   23,501.72x = 418,097,928.79
5. Step 5: Solve for x
   x = 418,097,928.79/23,501.72
6. Step 6: Final answer
   x = 17,790.10