Finding the Fourth Proportional to 1,400.91, 1,929.06 and 1,105.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.91 : 1,929.06 = 1,105.26 : x
2. Step 2: Convert to fraction form
   1,400.91/1,929.06 = 1,105.26/x
3. Step 3: Cross multiply
   1,400.91x = 1,929.06 × 1,105.26
4. Step 4: Simplify right side
   1,400.91x = 2,132,112.86
5. Step 5: Solve for x
   x = 2,132,112.86/1,400.91
6. Step 6: Final answer
   x = 1,521.95