Finding the Fourth Proportional to 2,438,145.97, 3,657,459.52 and 840,498.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438,145.97 : 3,657,459.52 = 840,498.73 : x
2. Step 2: Convert to fraction form
   2,438,145.97/3,657,459.52 = 840,498.73/x
3. Step 3: Cross multiply
   2,438,145.97x = 3,657,459.52 × 840,498.73
4. Step 4: Simplify right side
   2,438,145.97x = 3,074,090,073,493.39
5. Step 5: Solve for x
   x = 3,074,090,073,493.39/2,438,145.97
6. Step 6: Final answer
   x = 1,260,831.02