Finding the Fourth Proportional to 42,712.56, 58,936.68 and 25,715.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,712.56 : 58,936.68 = 25,715.52 : x
2. Step 2: Convert to fraction form
   42,712.56/58,936.68 = 25,715.52/x
3. Step 3: Cross multiply
   42,712.56x = 58,936.68 × 25,715.52
4. Step 4: Simplify right side
   42,712.56x = 1,515,587,373.27
5. Step 5: Solve for x
   x = 1,515,587,373.27/42,712.56
6. Step 6: Final answer
   x = 35,483.41