Finding the Fourth Proportional to 109,705.57, 151,404.86 and 79,103.83

Step by Step Solution

1. Step 1: Write the proportion equation
   109,705.57 : 151,404.86 = 79,103.83 : x
2. Step 2: Convert to fraction form
   109,705.57/151,404.86 = 79,103.83/x
3. Step 3: Cross multiply
   109,705.57x = 151,404.86 × 79,103.83
4. Step 4: Simplify right side
   109,705.57x = 11,976,704,306.61
5. Step 5: Solve for x
   x = 11,976,704,306.61/109,705.57
6. Step 6: Final answer
   x = 109,171.34