Finding the Fourth Proportional to 42,856.78, 59,139.14 and 24,694.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,856.78 : 59,139.14 = 24,694.60 : x
2. Step 2: Convert to fraction form
   42,856.78/59,139.14 = 24,694.60/x
3. Step 3: Cross multiply
   42,856.78x = 59,139.14 × 24,694.60
4. Step 4: Simplify right side
   42,856.78x = 1,460,417,135.32
5. Step 5: Solve for x
   x = 1,460,417,135.32/42,856.78
6. Step 6: Final answer
   x = 34,076.69