Finding the Fourth Proportional to 23,176.38, 31,925.12 and 21,475.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,176.38 : 31,925.12 = 21,475.38 : x
2. Step 2: Convert to fraction form
   23,176.38/31,925.12 = 21,475.38/x
3. Step 3: Cross multiply
   23,176.38x = 31,925.12 × 21,475.38
4. Step 4: Simplify right side
   23,176.38x = 685,604,083.55
5. Step 5: Solve for x
   x = 685,604,083.55/23,176.38
6. Step 6: Final answer
   x = 29,582.02