Finding the Fourth Proportional to 30,548.88, 42,151.86 and 17,976.60

Step by Step Solution

1. Step 1: Write the proportion equation
   30,548.88 : 42,151.86 = 17,976.60 : x
2. Step 2: Convert to fraction form
   30,548.88/42,151.86 = 17,976.60/x
3. Step 3: Cross multiply
   30,548.88x = 42,151.86 × 17,976.60
4. Step 4: Simplify right side
   30,548.88x = 757,747,126.48
5. Step 5: Solve for x
   x = 757,747,126.48/30,548.88
6. Step 6: Final answer
   x = 24,804.42