Finding the Fourth Proportional to 42,570.62, 58,740.42 and 25,803.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,570.62 : 58,740.42 = 25,803.62 : x
2. Step 2: Convert to fraction form
   42,570.62/58,740.42 = 25,803.62/x
3. Step 3: Cross multiply
   42,570.62x = 58,740.42 × 25,803.62
4. Step 4: Simplify right side
   42,570.62x = 1,515,715,476.32
5. Step 5: Solve for x
   x = 1,515,715,476.32/42,570.62
6. Step 6: Final answer
   x = 35,604.73