Finding the Fourth Proportional to 55,746.50, 76,939.89 and 31,874.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,746.50 : 76,939.89 = 31,874.18 : x
2. Step 2: Convert to fraction form
   55,746.50/76,939.89 = 31,874.18/x
3. Step 3: Cross multiply
   55,746.50x = 76,939.89 × 31,874.18
4. Step 4: Simplify right side
   55,746.50x = 2,452,395,903.04
5. Step 5: Solve for x
   x = 2,452,395,903.04/55,746.50
6. Step 6: Final answer
   x = 43,991.93