Finding the Fourth Proportional to 2,369.34, 3,551.36 and 807.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,369.34 : 3,551.36 = 807.89 : x
2. Step 2: Convert to fraction form
   2,369.34/3,551.36 = 807.89/x
3. Step 3: Cross multiply
   2,369.34x = 3,551.36 × 807.89
4. Step 4: Simplify right side
   2,369.34x = 2,869,086.43
5. Step 5: Solve for x
   x = 2,869,086.43/2,369.34
6. Step 6: Final answer
   x = 1,210.92