Finding the Fourth Proportional to 2,488,860.76, 3,434,407.40 and 1,386,208.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,860.76 : 3,434,407.40 = 1,386,208.04 : x
2. Step 2: Convert to fraction form
   2,488,860.76/3,434,407.40 = 1,386,208.04/x
3. Step 3: Cross multiply
   2,488,860.76x = 3,434,407.40 × 1,386,208.04
4. Step 4: Simplify right side
   2,488,860.76x = 4,760,803,150,515.50
5. Step 5: Solve for x
   x = 4,760,803,150,515.50/2,488,860.76
6. Step 6: Final answer
   x = 1,912,844.31