Finding the Fourth Proportional to 42,572.74, 58,743.35 and 25,805.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,572.74 : 58,743.35 = 25,805.74 : x
2. Step 2: Convert to fraction form
   42,572.74/58,743.35 = 25,805.74/x
3. Step 3: Cross multiply
   42,572.74x = 58,743.35 × 25,805.74
4. Step 4: Simplify right side
   42,572.74x = 1,515,915,616.83
5. Step 5: Solve for x
   x = 1,515,915,616.83/42,572.74
6. Step 6: Final answer
   x = 35,607.66