Finding the Fourth Proportional to 215,151.80, 322,874.71 and 74,910.42

Step by Step Solution

1. Step 1: Write the proportion equation
   215,151.80 : 322,874.71 = 74,910.42 : x
2. Step 2: Convert to fraction form
   215,151.80/322,874.71 = 74,910.42/x
3. Step 3: Cross multiply
   215,151.80x = 322,874.71 × 74,910.42
4. Step 4: Simplify right side
   215,151.80x = 24,186,679,946.20
5. Step 5: Solve for x
   x = 24,186,679,946.20/215,151.80
6. Step 6: Final answer
   x = 112,416.82