Finding the Fourth Proportional to 57,417.96, 86,051.34 and 30,760.86

Step by Step Solution

1. Step 1: Write the proportion equation
   57,417.96 : 86,051.34 = 30,760.86 : x
2. Step 2: Convert to fraction form
   57,417.96/86,051.34 = 30,760.86/x
3. Step 3: Cross multiply
   57,417.96x = 86,051.34 × 30,760.86
4. Step 4: Simplify right side
   57,417.96x = 2,647,013,222.55
5. Step 5: Solve for x
   x = 2,647,013,222.55/57,417.96
6. Step 6: Final answer
   x = 46,100.79