Finding the Fourth Proportional to 3,950,666.91, 5,921,425.89 and 1,816,271.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,950,666.91 : 5,921,425.89 = 1,816,271.55 : x
2. Step 2: Convert to fraction form
   3,950,666.91/5,921,425.89 = 1,816,271.55/x
3. Step 3: Cross multiply
   3,950,666.91x = 5,921,425.89 × 1,816,271.55
4. Step 4: Simplify right side
   3,950,666.91x = 10,754,917,379,440.43
5. Step 5: Solve for x
   x = 10,754,917,379,440.43/3,950,666.91
6. Step 6: Final answer
   x = 2,722,304.27