Finding the Fourth Proportional to 2,238,426.35, 3,088,643.46 and 1,258,229.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,426.35 : 3,088,643.46 = 1,258,229.39 : x
2. Step 2: Convert to fraction form
   2,238,426.35/3,088,643.46 = 1,258,229.39/x
3. Step 3: Cross multiply
   2,238,426.35x = 3,088,643.46 × 1,258,229.39
4. Step 4: Simplify right side
   2,238,426.35x = 3,886,221,961,160.07
5. Step 5: Solve for x
   x = 3,886,221,961,160.07/2,238,426.35
6. Step 6: Final answer
   x = 1,736,140.20