Finding the Fourth Proportional to 2,207,931.39, 3,046,498.23 and 1,289,983.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,207,931.39 : 3,046,498.23 = 1,289,983.10 : x
2. Step 2: Convert to fraction form
   2,207,931.39/3,046,498.23 = 1,289,983.10/x
3. Step 3: Cross multiply
   2,207,931.39x = 3,046,498.23 × 1,289,983.10
4. Step 4: Simplify right side
   2,207,931.39x = 3,929,931,230,879.91
5. Step 5: Solve for x
   x = 3,929,931,230,879.91/2,207,931.39
6. Step 6: Final answer
   x = 1,779,915.47