Finding the Fourth Proportional to 57,108.33, 78,806.61 and 31,266.18

Step by Step Solution

1. Step 1: Write the proportion equation
   57,108.33 : 78,806.61 = 31,266.18 : x
2. Step 2: Convert to fraction form
   57,108.33/78,806.61 = 31,266.18/x
3. Step 3: Cross multiply
   57,108.33x = 78,806.61 × 31,266.18
4. Step 4: Simplify right side
   57,108.33x = 2,463,981,653.45
5. Step 5: Solve for x
   x = 2,463,981,653.45/57,108.33
6. Step 6: Final answer
   x = 43,145.75