Finding the Fourth Proportional to 1,437.22, 1,983.32 and 807.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.22 : 1,983.32 = 807.73 : x
2. Step 2: Convert to fraction form
   1,437.22/1,983.32 = 807.73/x
3. Step 3: Cross multiply
   1,437.22x = 1,983.32 × 807.73
4. Step 4: Simplify right side
   1,437.22x = 1,601,978.07
5. Step 5: Solve for x
   x = 1,601,978.07/1,437.22
6. Step 6: Final answer
   x = 1,114.64