Finding the Fourth Proportional to 3,838,686.86, 5,758,046.56 and 998,593.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,838,686.86 : 5,758,046.56 = 998,593.98 : x
2. Step 2: Convert to fraction form
   3,838,686.86/5,758,046.56 = 998,593.98/x
3. Step 3: Cross multiply
   3,838,686.86x = 5,758,046.56 × 998,593.98
4. Step 4: Simplify right side
   3,838,686.86x = 5,749,950,631,375.71
5. Step 5: Solve for x
   x = 5,749,950,631,375.71/3,838,686.86
6. Step 6: Final answer
   x = 1,497,895.20