Finding the Fourth Proportional to 55,128.41, 82,627.01 and 38,397.86

Step by Step Solution

1. Step 1: Write the proportion equation
   55,128.41 : 82,627.01 = 38,397.86 : x
2. Step 2: Convert to fraction form
   55,128.41/82,627.01 = 38,397.86/x
3. Step 3: Cross multiply
   55,128.41x = 82,627.01 × 38,397.86
4. Step 4: Simplify right side
   55,128.41x = 3,172,700,675.69
5. Step 5: Solve for x
   x = 3,172,700,675.69/55,128.41
6. Step 6: Final answer
   x = 57,551.10