Finding the Fourth Proportional to 23,389.05, 32,275.34 and 13,318.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,389.05 : 32,275.34 = 13,318.52 : x
2. Step 2: Convert to fraction form
   23,389.05/32,275.34 = 13,318.52/x
3. Step 3: Cross multiply
   23,389.05x = 32,275.34 × 13,318.52
4. Step 4: Simplify right side
   23,389.05x = 429,859,761.30
5. Step 5: Solve for x
   x = 429,859,761.30/23,389.05
6. Step 6: Final answer
   x = 18,378.68