Finding the Fourth Proportional to 57,141.86, 85,745.18 and 30,846.02

Step by Step Solution

1. Step 1: Write the proportion equation
   57,141.86 : 85,745.18 = 30,846.02 : x
2. Step 2: Convert to fraction form
   57,141.86/85,745.18 = 30,846.02/x
3. Step 3: Cross multiply
   57,141.86x = 85,745.18 × 30,846.02
4. Step 4: Simplify right side
   57,141.86x = 2,644,897,185.57
5. Step 5: Solve for x
   x = 2,644,897,185.57/57,141.86
6. Step 6: Final answer
   x = 46,286.51