Finding the Fourth Proportional to 1,342,258.72, 2,013,388.47 and 1,105,103.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342,258.72 : 2,013,388.47 = 1,105,103.26 : x
2. Step 2: Convert to fraction form
   1,342,258.72/2,013,388.47 = 1,105,103.26/x
3. Step 3: Cross multiply
   1,342,258.72x = 2,013,388.47 × 1,105,103.26
4. Step 4: Simplify right side
   1,342,258.72x = 2,225,002,161,843.41
5. Step 5: Solve for x
   x = 2,225,002,161,843.41/1,342,258.72
6. Step 6: Final answer
   x = 1,657,655.21