Finding the Fourth Proportional to 1,435.83, 1,981.42 and 876.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.83 : 1,981.42 = 876.26 : x
2. Step 2: Convert to fraction form
   1,435.83/1,981.42 = 876.26/x
3. Step 3: Cross multiply
   1,435.83x = 1,981.42 × 876.26
4. Step 4: Simplify right side
   1,435.83x = 1,736,239.09
5. Step 5: Solve for x
   x = 1,736,239.09/1,435.83
6. Step 6: Final answer
   x = 1,209.22