Finding the Fourth Proportional to 3,990,086.91, 5,985,972.16 and 1,294,202.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,990,086.91 : 5,985,972.16 = 1,294,202.79 : x
2. Step 2: Convert to fraction form
   3,990,086.91/5,985,972.16 = 1,294,202.79/x
3. Step 3: Cross multiply
   3,990,086.91x = 5,985,972.16 × 1,294,202.79
4. Step 4: Simplify right side
   3,990,086.91x = 7,747,061,867,098.82
5. Step 5: Solve for x
   x = 7,747,061,867,098.82/3,990,086.91
6. Step 6: Final answer
   x = 1,941,577.22