Finding the Fourth Proportional to 142,903.61, 197,192.77 and 82,493.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,903.61 : 197,192.77 = 82,493.72 : x
2. Step 2: Convert to fraction form
   142,903.61/197,192.77 = 82,493.72/x
3. Step 3: Cross multiply
   142,903.61x = 197,192.77 × 82,493.72
4. Step 4: Simplify right side
   142,903.61x = 16,267,164,611.10
5. Step 5: Solve for x
   x = 16,267,164,611.10/142,903.61
6. Step 6: Final answer
   x = 113,833.12