Finding the Fourth Proportional to 42,909.88, 59,153.60 and 30,124.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,909.88 : 59,153.60 = 30,124.14 : x
2. Step 2: Convert to fraction form
   42,909.88/59,153.60 = 30,124.14/x
3. Step 3: Cross multiply
   42,909.88x = 59,153.60 × 30,124.14
4. Step 4: Simplify right side
   42,909.88x = 1,781,951,327.90
5. Step 5: Solve for x
   x = 1,781,951,327.90/42,909.88
6. Step 6: Final answer
   x = 41,527.76