Finding the Fourth Proportional to 82,193.60, 123,103.55 and 64,312.83

Step by Step Solution

1. Step 1: Write the proportion equation
   82,193.60 : 123,103.55 = 64,312.83 : x
2. Step 2: Convert to fraction form
   82,193.60/123,103.55 = 64,312.83/x
3. Step 3: Cross multiply
   82,193.60x = 123,103.55 × 64,312.83
4. Step 4: Simplify right side
   82,193.60x = 7,917,137,361.98
5. Step 5: Solve for x
   x = 7,917,137,361.98/82,193.60
6. Step 6: Final answer
   x = 96,323.05