Finding the Fourth Proportional to 2,398,487.55, 3,596,707.20 and 1,388,306.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398,487.55 : 3,596,707.20 = 1,388,306.79 : x
2. Step 2: Convert to fraction form
   2,398,487.55/3,596,707.20 = 1,388,306.79/x
3. Step 3: Cross multiply
   2,398,487.55x = 3,596,707.20 × 1,388,306.79
4. Step 4: Simplify right side
   2,398,487.55x = 4,993,333,027,401.89
5. Step 5: Solve for x
   x = 4,993,333,027,401.89/2,398,487.55
6. Step 6: Final answer
   x = 2,081,867.39