Finding the Fourth Proportional to 57,406.02, 86,062.56 and 17,942.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,406.02 : 86,062.56 = 17,942.82 : x
2. Step 2: Convert to fraction form
   57,406.02/86,062.56 = 17,942.82/x
3. Step 3: Cross multiply
   57,406.02x = 86,062.56 × 17,942.82
4. Step 4: Simplify right side
   57,406.02x = 1,544,205,022.82
5. Step 5: Solve for x
   x = 1,544,205,022.82/57,406.02
6. Step 6: Final answer
   x = 26,899.71