Finding the Fourth Proportional to 42,570.74, 58,740.59 and 25,803.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,570.74 : 58,740.59 = 25,803.74 : x
2. Step 2: Convert to fraction form
   42,570.74/58,740.59 = 25,803.74/x
3. Step 3: Cross multiply
   42,570.74x = 58,740.59 × 25,803.74
4. Step 4: Simplify right side
   42,570.74x = 1,515,727,123.17
5. Step 5: Solve for x
   x = 1,515,727,123.17/42,570.74
6. Step 6: Final answer
   x = 35,604.90