Finding the Fourth Proportional to 142,904.61, 197,194.15 and 82,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   142,904.61 : 197,194.15 = 82,494.72 : x
2. Step 2: Convert to fraction form
   142,904.61/197,194.15 = 82,494.72/x
3. Step 3: Cross multiply
   142,904.61x = 197,194.15 × 82,494.72
4. Step 4: Simplify right side
   142,904.61x = 16,267,476,189.89
5. Step 5: Solve for x
   x = 16,267,476,189.89/142,904.61
6. Step 6: Final answer
   x = 113,834.51