Finding the Fourth Proportional to 30,562.43, 42,176.12 and 17,133.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,562.43 : 42,176.12 = 17,133.69 : x
2. Step 2: Convert to fraction form
   30,562.43/42,176.12 = 17,133.69/x
3. Step 3: Cross multiply
   30,562.43x = 42,176.12 × 17,133.69
4. Step 4: Simplify right side
   30,562.43x = 722,632,402.59
5. Step 5: Solve for x
   x = 722,632,402.59/30,562.43
6. Step 6: Final answer
   x = 23,644.47