Finding the Fourth Proportional to 2,538,499.20, 3,807,921.60 and 741,379.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,499.20 : 3,807,921.60 = 741,379.20 : x
2. Step 2: Convert to fraction form
   2,538,499.20/3,807,921.60 = 741,379.20/x
3. Step 3: Cross multiply
   2,538,499.20x = 3,807,921.60 × 741,379.20
4. Step 4: Simplify right side
   2,538,499.20x = 2,823,113,869,470.72
5. Step 5: Solve for x
   x = 2,823,113,869,470.72/2,538,499.20
6. Step 6: Final answer
   x = 1,112,119.27