Finding the Fourth Proportional to 55,716.72, 76,870.37 and 31,826.48

Step by Step Solution

1. Step 1: Write the proportion equation
   55,716.72 : 76,870.37 = 31,826.48 : x
2. Step 2: Convert to fraction form
   55,716.72/76,870.37 = 31,826.48/x
3. Step 3: Cross multiply
   55,716.72x = 76,870.37 × 31,826.48
4. Step 4: Simplify right side
   55,716.72x = 2,446,512,869.26
5. Step 5: Solve for x
   x = 2,446,512,869.26/55,716.72
6. Step 6: Final answer
   x = 43,909.85