Finding the Fourth Proportional to 82,447.60, 113,779.72 and 46,635.92

Step by Step Solution

1. Step 1: Write the proportion equation
   82,447.60 : 113,779.72 = 46,635.92 : x
2. Step 2: Convert to fraction form
   82,447.60/113,779.72 = 46,635.92/x
3. Step 3: Cross multiply
   82,447.60x = 113,779.72 × 46,635.92
4. Step 4: Simplify right side
   82,447.60x = 5,306,221,919.54
5. Step 5: Solve for x
   x = 5,306,221,919.54/82,447.60
6. Step 6: Final answer
   x = 64,358.72