Finding the Fourth Proportional to 57,746.25, 79,689.83 and 31,250.25

Step by Step Solution

1. Step 1: Write the proportion equation
   57,746.25 : 79,689.83 = 31,250.25 : x
2. Step 2: Convert to fraction form
   57,746.25/79,689.83 = 31,250.25/x
3. Step 3: Cross multiply
   57,746.25x = 79,689.83 × 31,250.25
4. Step 4: Simplify right side
   57,746.25x = 2,490,326,953.71
5. Step 5: Solve for x
   x = 2,490,326,953.71/57,746.25
6. Step 6: Final answer
   x = 43,125.35