Finding the Fourth Proportional to 268,793.33, 402,908.72 and 100,245.83

Step by Step Solution

1. Step 1: Write the proportion equation
   268,793.33 : 402,908.72 = 100,245.83 : x
2. Step 2: Convert to fraction form
   268,793.33/402,908.72 = 100,245.83/x
3. Step 3: Cross multiply
   268,793.33x = 402,908.72 × 100,245.83
4. Step 4: Simplify right side
   268,793.33x = 40,389,916,534.86
5. Step 5: Solve for x
   x = 40,389,916,534.86/268,793.33
6. Step 6: Final answer
   x = 150,263.84