Finding the Fourth Proportional to 30,902.88, 42,643.35 and 17,472.27

Step by Step Solution

1. Step 1: Write the proportion equation
   30,902.88 : 42,643.35 = 17,472.27 : x
2. Step 2: Convert to fraction form
   30,902.88/42,643.35 = 17,472.27/x
3. Step 3: Cross multiply
   30,902.88x = 42,643.35 × 17,472.27
4. Step 4: Simplify right side
   30,902.88x = 745,076,124.90
5. Step 5: Solve for x
   x = 745,076,124.90/30,902.88
6. Step 6: Final answer
   x = 24,110.25