Finding the Fourth Proportional to 103,311.54, 154,868.22 and 33,142.86

Step by Step Solution

1. Step 1: Write the proportion equation
   103,311.54 : 154,868.22 = 33,142.86 : x
2. Step 2: Convert to fraction form
   103,311.54/154,868.22 = 33,142.86/x
3. Step 3: Cross multiply
   103,311.54x = 154,868.22 × 33,142.86
4. Step 4: Simplify right side
   103,311.54x = 5,132,775,733.91
5. Step 5: Solve for x
   x = 5,132,775,733.91/103,311.54
6. Step 6: Final answer
   x = 49,682.50