Finding the Fourth Proportional to 55,695.87, 76,850.69 and 31,485.78

Step by Step Solution

1. Step 1: Write the proportion equation
   55,695.87 : 76,850.69 = 31,485.78 : x
2. Step 2: Convert to fraction form
   55,695.87/76,850.69 = 31,485.78/x
3. Step 3: Cross multiply
   55,695.87x = 76,850.69 × 31,485.78
4. Step 4: Simplify right side
   55,695.87x = 2,419,703,760.76
5. Step 5: Solve for x
   x = 2,419,703,760.76/55,695.87
6. Step 6: Final answer
   x = 43,444.94