Finding the Fourth Proportional to 2,257,098.83, 3,114,796.40 and 1,290,250.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,098.83 : 3,114,796.40 = 1,290,250.70 : x
2. Step 2: Convert to fraction form
   2,257,098.83/3,114,796.40 = 1,290,250.70/x
3. Step 3: Cross multiply
   2,257,098.83x = 3,114,796.40 × 1,290,250.70
4. Step 4: Simplify right side
   2,257,098.83x = 4,018,868,229,006.23
5. Step 5: Solve for x
   x = 4,018,868,229,006.23/2,257,098.83
6. Step 6: Final answer
   x = 1,780,545.97