Finding the Fourth Proportional to 1,437.35, 1,983.56 and 807.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.35 : 1,983.56 = 807.84 : x
2. Step 2: Convert to fraction form
   1,437.35/1,983.56 = 807.84/x
3. Step 3: Cross multiply
   1,437.35x = 1,983.56 × 807.84
4. Step 4: Simplify right side
   1,437.35x = 1,602,391.55
5. Step 5: Solve for x
   x = 1,602,391.55/1,437.35
6. Step 6: Final answer
   x = 1,114.83