Finding the Fourth Proportional to 185,003.20, 277,456.18 and 79,798.78

Step by Step Solution

1. Step 1: Write the proportion equation
   185,003.20 : 277,456.18 = 79,798.78 : x
2. Step 2: Convert to fraction form
   185,003.20/277,456.18 = 79,798.78/x
3. Step 3: Cross multiply
   185,003.20x = 277,456.18 × 79,798.78
4. Step 4: Simplify right side
   185,003.20x = 22,140,664,667.46
5. Step 5: Solve for x
   x = 22,140,664,667.46/185,003.20
6. Step 6: Final answer
   x = 119,677.20