Finding the Fourth Proportional to 2,238,139.16, 3,088,959.13 and 1,258,158.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,139.16 : 3,088,959.13 = 1,258,158.91 : x
2. Step 2: Convert to fraction form
   2,238,139.16/3,088,959.13 = 1,258,158.91/x
3. Step 3: Cross multiply
   2,238,139.16x = 3,088,959.13 × 1,258,158.91
4. Step 4: Simplify right side
   2,238,139.16x = 3,886,401,441,167.55
5. Step 5: Solve for x
   x = 3,886,401,441,167.55/2,238,139.16
6. Step 6: Final answer
   x = 1,736,443.16