Finding the Fourth Proportional to 42,871.74, 59,165.10 and 25,875.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,871.74 : 59,165.10 = 25,875.69 : x
2. Step 2: Convert to fraction form
   42,871.74/59,165.10 = 25,875.69/x
3. Step 3: Cross multiply
   42,871.74x = 59,165.10 × 25,875.69
4. Step 4: Simplify right side
   42,871.74x = 1,530,937,786.42
5. Step 5: Solve for x
   x = 1,530,937,786.42/42,871.74
6. Step 6: Final answer
   x = 35,709.72