Finding the Fourth Proportional to 82,221.12, 113,464.80 and 46,410.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,221.12 : 113,464.80 = 46,410.72 : x
2. Step 2: Convert to fraction form
   82,221.12/113,464.80 = 46,410.72/x
3. Step 3: Cross multiply
   82,221.12x = 113,464.80 × 46,410.72
4. Step 4: Simplify right side
   82,221.12x = 5,265,983,062.66
5. Step 5: Solve for x
   x = 5,265,983,062.66/82,221.12
6. Step 6: Final answer
   x = 64,046.60