Finding the Fourth Proportional to 2,257,472.70, 3,114,425.46 and 1,290,084.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,472.70 : 3,114,425.46 = 1,290,084.00 : x
2. Step 2: Convert to fraction form
   2,257,472.70/3,114,425.46 = 1,290,084.00/x
3. Step 3: Cross multiply
   2,257,472.70x = 3,114,425.46 × 1,290,084.00
4. Step 4: Simplify right side
   2,257,472.70x = 4,017,870,448,297.36
5. Step 5: Solve for x
   x = 4,017,870,448,297.36/2,257,472.70
6. Step 6: Final answer
   x = 1,779,809.10