Finding the Fourth Proportional to 55,375.50, 83,062.47 and 25,776.78

Step by Step Solution

1. Step 1: Write the proportion equation
   55,375.50 : 83,062.47 = 25,776.78 : x
2. Step 2: Convert to fraction form
   55,375.50/83,062.47 = 25,776.78/x
3. Step 3: Cross multiply
   55,375.50x = 83,062.47 × 25,776.78
4. Step 4: Simplify right side
   55,375.50x = 2,141,083,015.45
5. Step 5: Solve for x
   x = 2,141,083,015.45/55,375.50
6. Step 6: Final answer
   x = 38,664.81