Finding the Fourth Proportional to 2,266,886.94, 3,128,066.16 and 1,286,513.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,266,886.94 : 3,128,066.16 = 1,286,513.78 : x
2. Step 2: Convert to fraction form
   2,266,886.94/3,128,066.16 = 1,286,513.78/x
3. Step 3: Cross multiply
   2,266,886.94x = 3,128,066.16 × 1,286,513.78
4. Step 4: Simplify right side
   2,266,886.94x = 4,024,300,219,591.69
5. Step 5: Solve for x
   x = 4,024,300,219,591.69/2,266,886.94
6. Step 6: Final answer
   x = 1,775,254.05