Finding the Fourth Proportional to 55,377.50, 83,065.47 and 25,778.78

Step by Step Solution

1. Step 1: Write the proportion equation
   55,377.50 : 83,065.47 = 25,778.78 : x
2. Step 2: Convert to fraction form
   55,377.50/83,065.47 = 25,778.78/x
3. Step 3: Cross multiply
   55,377.50x = 83,065.47 × 25,778.78
4. Step 4: Simplify right side
   55,377.50x = 2,141,326,476.73
5. Step 5: Solve for x
   x = 2,141,326,476.73/55,377.50
6. Step 6: Final answer
   x = 38,667.81