Finding the Fourth Proportional to 119,049.42, 164,295.48 and 78,693.18

Step by Step Solution

1. Step 1: Write the proportion equation
   119,049.42 : 164,295.48 = 78,693.18 : x
2. Step 2: Convert to fraction form
   119,049.42/164,295.48 = 78,693.18/x
3. Step 3: Cross multiply
   119,049.42x = 164,295.48 × 78,693.18
4. Step 4: Simplify right side
   119,049.42x = 12,928,933,780.83
5. Step 5: Solve for x
   x = 12,928,933,780.83/119,049.42
6. Step 6: Final answer
   x = 108,601.40