Finding the Fourth Proportional to 42,807.74, 59,061.29 and 25,817.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,807.74 : 59,061.29 = 25,817.18 : x
2. Step 2: Convert to fraction form
   42,807.74/59,061.29 = 25,817.18/x
3. Step 3: Cross multiply
   42,807.74x = 59,061.29 × 25,817.18
4. Step 4: Simplify right side
   42,807.74x = 1,524,795,530.57
5. Step 5: Solve for x
   x = 1,524,795,530.57/42,807.74
6. Step 6: Final answer
   x = 35,619.63