Finding the Fourth Proportional to 23,475.38, 32,377.17 and 20,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,475.38 : 32,377.17 = 20,636.72 : x
2. Step 2: Convert to fraction form
   23,475.38/32,377.17 = 20,636.72/x
3. Step 3: Cross multiply
   23,475.38x = 32,377.17 × 20,636.72
4. Step 4: Simplify right side
   23,475.38x = 668,158,326.61
5. Step 5: Solve for x
   x = 668,158,326.61/23,475.38
6. Step 6: Final answer
   x = 28,462.09