Finding the Fourth Proportional to 1,158.83, 1,598.52 and 716.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,158.83 : 1,598.52 = 716.42 : x
2. Step 2: Convert to fraction form
   1,158.83/1,598.52 = 716.42/x
3. Step 3: Cross multiply
   1,158.83x = 1,598.52 × 716.42
4. Step 4: Simplify right side
   1,158.83x = 1,145,203.71
5. Step 5: Solve for x
   x = 1,145,203.71/1,158.83
6. Step 6: Final answer
   x = 988.25