Finding the Fourth Proportional to 1,303.59, 1,798.96 and 714.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,303.59 : 1,798.96 = 714.12 : x
2. Step 2: Convert to fraction form
   1,303.59/1,798.96 = 714.12/x
3. Step 3: Cross multiply
   1,303.59x = 1,798.96 × 714.12
4. Step 4: Simplify right side
   1,303.59x = 1,284,666.12
5. Step 5: Solve for x
   x = 1,284,666.12/1,303.59
6. Step 6: Final answer
   x = 985.48