Finding the Fourth Proportional to 1,472.59, 2,031.98 and 843.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.59 : 2,031.98 = 843.15 : x
2. Step 2: Convert to fraction form
   1,472.59/2,031.98 = 843.15/x
3. Step 3: Cross multiply
   1,472.59x = 2,031.98 × 843.15
4. Step 4: Simplify right side
   1,472.59x = 1,713,263.94
5. Step 5: Solve for x
   x = 1,713,263.94/1,472.59
6. Step 6: Final answer
   x = 1,163.44