Finding the Fourth Proportional to 2,259,498.81, 3,116,560.88 and 1,443,340.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,498.81 : 3,116,560.88 = 1,443,340.11 : x
2. Step 2: Convert to fraction form
   2,259,498.81/3,116,560.88 = 1,443,340.11/x
3. Step 3: Cross multiply
   2,259,498.81x = 3,116,560.88 × 1,443,340.11
4. Step 4: Simplify right side
   2,259,498.81x = 4,498,257,316,144.20
5. Step 5: Solve for x
   x = 4,498,257,316,144.20/2,259,498.81
6. Step 6: Final answer
   x = 1,990,820.84