Finding the Fourth Proportional to 1,407.83, 2,109.42 and 996.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407.83 : 2,109.42 = 996.26 : x
2. Step 2: Convert to fraction form
   1,407.83/2,109.42 = 996.26/x
3. Step 3: Cross multiply
   1,407.83x = 2,109.42 × 996.26
4. Step 4: Simplify right side
   1,407.83x = 2,101,520.22
5. Step 5: Solve for x
   x = 2,101,520.22/1,407.83
6. Step 6: Final answer
   x = 1,492.74