Finding the Fourth Proportional to 1,437.02, 1,983.07 and 815.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.02 : 1,983.07 = 815.98 : x
2. Step 2: Convert to fraction form
   1,437.02/1,983.07 = 815.98/x
3. Step 3: Cross multiply
   1,437.02x = 1,983.07 × 815.98
4. Step 4: Simplify right side
   1,437.02x = 1,618,145.46
5. Step 5: Solve for x
   x = 1,618,145.46/1,437.02
6. Step 6: Final answer
   x = 1,126.04