Finding the Fourth Proportional to 42,857.76, 59,143.32 and 23,995.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,857.76 : 59,143.32 = 23,995.20 : x
2. Step 2: Convert to fraction form
   42,857.76/59,143.32 = 23,995.20/x
3. Step 3: Cross multiply
   42,857.76x = 59,143.32 × 23,995.20
4. Step 4: Simplify right side
   42,857.76x = 1,419,155,792.06
5. Step 5: Solve for x
   x = 1,419,155,792.06/42,857.76
6. Step 6: Final answer
   x = 33,113.16