Finding the Fourth Proportional to 42,085.52, 58,052.40 and 25,078.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,085.52 : 58,052.40 = 25,078.58 : x
2. Step 2: Convert to fraction form
   42,085.52/58,052.40 = 25,078.58/x
3. Step 3: Cross multiply
   42,085.52x = 58,052.40 × 25,078.58
4. Step 4: Simplify right side
   42,085.52x = 1,455,871,757.59
5. Step 5: Solve for x
   x = 1,455,871,757.59/42,085.52
6. Step 6: Final answer
   x = 34,593.17