Finding the Fourth Proportional to 1,436.82, 1,982.61 and 807.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.82 : 1,982.61 = 807.32 : x
2. Step 2: Convert to fraction form
   1,436.82/1,982.61 = 807.32/x
3. Step 3: Cross multiply
   1,436.82x = 1,982.61 × 807.32
4. Step 4: Simplify right side
   1,436.82x = 1,600,598.98
5. Step 5: Solve for x
   x = 1,600,598.98/1,436.82
6. Step 6: Final answer
   x = 1,113.99