Finding the Fourth Proportional to 42,891.54, 59,176.15 and 25,889.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,891.54 : 59,176.15 = 25,889.32 : x
2. Step 2: Convert to fraction form
   42,891.54/59,176.15 = 25,889.32/x
3. Step 3: Cross multiply
   42,891.54x = 59,176.15 × 25,889.32
4. Step 4: Simplify right side
   42,891.54x = 1,532,030,292.96
5. Step 5: Solve for x
   x = 1,532,030,292.96/42,891.54
6. Step 6: Final answer
   x = 35,718.71