Finding the Fourth Proportional to 55,377, 83,064.72 and 25,778.28

Step by Step Solution

1. Step 1: Write the proportion equation
   55,377 : 83,064.72 = 25,778.28 : x
2. Step 2: Convert to fraction form
   55,377/83,064.72 = 25,778.28/x
3. Step 3: Cross multiply
   55,377x = 83,064.72 × 25,778.28
4. Step 4: Simplify right side
   55,377x = 2,141,265,610.28
5. Step 5: Solve for x
   x = 2,141,265,610.28/55,377
6. Step 6: Final answer
   x = 38,667.06