Finding the Fourth Proportional to 57,098.15, 78,795.59 and 31,606.28

Step by Step Solution

1. Step 1: Write the proportion equation
   57,098.15 : 78,795.59 = 31,606.28 : x
2. Step 2: Convert to fraction form
   57,098.15/78,795.59 = 31,606.28/x
3. Step 3: Cross multiply
   57,098.15x = 78,795.59 × 31,606.28
4. Step 4: Simplify right side
   57,098.15x = 2,490,435,480.31
5. Step 5: Solve for x
   x = 2,490,435,480.31/57,098.15
6. Step 6: Final answer
   x = 43,616.75