Finding the Fourth Proportional to 146,105.70, 219,007.35 and 79,404.90

Step by Step Solution

1. Step 1: Write the proportion equation
   146,105.70 : 219,007.35 = 79,404.90 : x
2. Step 2: Convert to fraction form
   146,105.70/219,007.35 = 79,404.90/x
3. Step 3: Cross multiply
   146,105.70x = 219,007.35 × 79,404.90
4. Step 4: Simplify right side
   146,105.70x = 17,390,256,726.02
5. Step 5: Solve for x
   x = 17,390,256,726.02/146,105.70
6. Step 6: Final answer
   x = 119,025.18