Finding the Fourth Proportional to 1,435.38, 1,981.09 and 876.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.38 : 1,981.09 = 876.34 : x
2. Step 2: Convert to fraction form
   1,435.38/1,981.09 = 876.34/x
3. Step 3: Cross multiply
   1,435.38x = 1,981.09 × 876.34
4. Step 4: Simplify right side
   1,435.38x = 1,736,111.98
5. Step 5: Solve for x
   x = 1,736,111.98/1,435.38
6. Step 6: Final answer
   x = 1,209.52