Finding the Fourth Proportional to 2,256,928.67, 3,114,561.25 and 1,290,079.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256,928.67 : 3,114,561.25 = 1,290,079.73 : x
2. Step 2: Convert to fraction form
   2,256,928.67/3,114,561.25 = 1,290,079.73/x
3. Step 3: Cross multiply
   2,256,928.67x = 3,114,561.25 × 1,290,079.73
4. Step 4: Simplify right side
   2,256,928.67x = 4,018,032,336,468.46
5. Step 5: Solve for x
   x = 4,018,032,336,468.46/2,256,928.67
6. Step 6: Final answer
   x = 1,780,309.85