Finding the Fourth Proportional to 80,196.01, 120,306.17 and 58,175.55

Step by Step Solution

1. Step 1: Write the proportion equation
   80,196.01 : 120,306.17 = 58,175.55 : x
2. Step 2: Convert to fraction form
   80,196.01/120,306.17 = 58,175.55/x
3. Step 3: Cross multiply
   80,196.01x = 120,306.17 × 58,175.55
4. Step 4: Simplify right side
   80,196.01x = 6,998,877,753.58
5. Step 5: Solve for x
   x = 6,998,877,753.58/80,196.01
6. Step 6: Final answer
   x = 87,272.15