Finding the Fourth Proportional to 42,815.76, 59,075.72 and 24,901.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,815.76 : 59,075.72 = 24,901.20 : x
2. Step 2: Convert to fraction form
   42,815.76/59,075.72 = 24,901.20/x
3. Step 3: Cross multiply
   42,815.76x = 59,075.72 × 24,901.20
4. Step 4: Simplify right side
   42,815.76x = 1,471,056,318.86
5. Step 5: Solve for x
   x = 1,471,056,318.86/42,815.76
6. Step 6: Final answer
   x = 34,357.82