Finding the Fourth Proportional to 2,259,633.57, 3,118,284.33 and 1,227,133.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259,633.57 : 3,118,284.33 = 1,227,133.26 : x
2. Step 2: Convert to fraction form
   2,259,633.57/3,118,284.33 = 1,227,133.26/x
3. Step 3: Cross multiply
   2,259,633.57x = 3,118,284.33 × 1,227,133.26
4. Step 4: Simplify right side
   2,259,633.57x = 3,826,550,415,479.82
5. Step 5: Solve for x
   x = 3,826,550,415,479.82/2,259,633.57
6. Step 6: Final answer
   x = 1,693,438.47