Finding the Fourth Proportional to 197,123.10, 295,757.55 and 78,879.30

Step by Step Solution

1. Step 1: Write the proportion equation
   197,123.10 : 295,757.55 = 78,879.30 : x
2. Step 2: Convert to fraction form
   197,123.10/295,757.55 = 78,879.30/x
3. Step 3: Cross multiply
   197,123.10x = 295,757.55 × 78,879.30
4. Step 4: Simplify right side
   197,123.10x = 23,329,148,513.72
5. Step 5: Solve for x
   x = 23,329,148,513.72/197,123.10
6. Step 6: Final answer
   x = 118,348.12