Finding the Fourth Proportional to 42,851.76, 59,140.71 and 25,865.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,851.76 : 59,140.71 = 25,865.75 : x
2. Step 2: Convert to fraction form
   42,851.76/59,140.71 = 25,865.75/x
3. Step 3: Cross multiply
   42,851.76x = 59,140.71 × 25,865.75
4. Step 4: Simplify right side
   42,851.76x = 1,529,718,967.53
5. Step 5: Solve for x
   x = 1,529,718,967.53/42,851.76
6. Step 6: Final answer
   x = 35,697.93