Finding the Fourth Proportional to 2,259,663, 3,117,576.24 and 1,279,468.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,663 : 3,117,576.24 = 1,279,468.32 : x
2. Step 2: Convert to fraction form
   2,259,663/3,117,576.24 = 1,279,468.32/x
3. Step 3: Cross multiply
   2,259,663x = 3,117,576.24 × 1,279,468.32
4. Step 4: Simplify right side
   2,259,663x = 3,988,840,034,264.72
5. Step 5: Solve for x
   x = 3,988,840,034,264.72/2,259,663
6. Step 6: Final answer
   x = 1,765,236.69