Finding the Fourth Proportional to 57,233.29, 78,990.01 and 31,745.33

Step by Step Solution

1. Step 1: Write the proportion equation
   57,233.29 : 78,990.01 = 31,745.33 : x
2. Step 2: Convert to fraction form
   57,233.29/78,990.01 = 31,745.33/x
3. Step 3: Cross multiply
   57,233.29x = 78,990.01 × 31,745.33
4. Step 4: Simplify right side
   57,233.29x = 2,507,563,934.15
5. Step 5: Solve for x
   x = 2,507,563,934.15/57,233.29
6. Step 6: Final answer
   x = 43,813.03