Finding the Fourth Proportional to 23,151.74, 34,727.55 and 5,621.57

Step by Step Solution

1. Step 1: Write the proportion equation
   23,151.74 : 34,727.55 = 5,621.57 : x
2. Step 2: Convert to fraction form
   23,151.74/34,727.55 = 5,621.57/x
3. Step 3: Cross multiply
   23,151.74x = 34,727.55 × 5,621.57
4. Step 4: Simplify right side
   23,151.74x = 195,223,451.54
5. Step 5: Solve for x
   x = 195,223,451.54/23,151.74
6. Step 6: Final answer
   x = 8,432.34