Finding the Fourth Proportional to 3,085,633.98, 4,609,686.78 and 1,997,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,085,633.98 : 4,609,686.78 = 1,997,280.72 : x
2. Step 2: Convert to fraction form
   3,085,633.98/4,609,686.78 = 1,997,280.72/x
3. Step 3: Cross multiply
   3,085,633.98x = 4,609,686.78 × 1,997,280.72
4. Step 4: Simplify right side
   3,085,633.98x = 9,206,838,530,932.88
5. Step 5: Solve for x
   x = 9,206,838,530,932.88/3,085,633.98
6. Step 6: Final answer
   x = 2,983,775.32