Finding the Fourth Proportional to 42,978.16, 59,306.04 and 25,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,978.16 : 59,306.04 = 25,074.72 : x
2. Step 2: Convert to fraction form
   42,978.16/59,306.04 = 25,074.72/x
3. Step 3: Cross multiply
   42,978.16x = 59,306.04 × 25,074.72
4. Step 4: Simplify right side
   42,978.16x = 1,487,082,347.31
5. Step 5: Solve for x
   x = 1,487,082,347.31/42,978.16
6. Step 6: Final answer
   x = 34,600.88