Finding the Fourth Proportional to 42,854.08, 59,144.52 and 25,859.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,854.08 : 59,144.52 = 25,859.20 : x
2. Step 2: Convert to fraction form
   42,854.08/59,144.52 = 25,859.20/x
3. Step 3: Cross multiply
   42,854.08x = 59,144.52 × 25,859.20
4. Step 4: Simplify right side
   42,854.08x = 1,529,429,971.58
5. Step 5: Solve for x
   x = 1,529,429,971.58/42,854.08
6. Step 6: Final answer
   x = 35,689.25