Finding the Fourth Proportional to 23,457.49, 32,363.31 and 13,378.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,457.49 : 32,363.31 = 13,378.69 : x
2. Step 2: Convert to fraction form
   23,457.49/32,363.31 = 13,378.69/x
3. Step 3: Cross multiply
   23,457.49x = 32,363.31 × 13,378.69
4. Step 4: Simplify right side
   23,457.49x = 432,978,691.86
5. Step 5: Solve for x
   x = 432,978,691.86/23,457.49
6. Step 6: Final answer
   x = 18,458.01