Finding the Fourth Proportional to 42,851.64, 59,131.98 and 23,986.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,851.64 : 59,131.98 = 23,986.20 : x
2. Step 2: Convert to fraction form
   42,851.64/59,131.98 = 23,986.20/x
3. Step 3: Cross multiply
   42,851.64x = 59,131.98 × 23,986.20
4. Step 4: Simplify right side
   42,851.64x = 1,418,351,498.68
5. Step 5: Solve for x
   x = 1,418,351,498.68/42,851.64
6. Step 6: Final answer
   x = 33,099.12