Finding the Fourth Proportional to 1,151.82, 1,589.76 and 710.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.82 : 1,589.76 = 710.10 : x
2. Step 2: Convert to fraction form
   1,151.82/1,589.76 = 710.10/x
3. Step 3: Cross multiply
   1,151.82x = 1,589.76 × 710.10
4. Step 4: Simplify right side
   1,151.82x = 1,128,888.58
5. Step 5: Solve for x
   x = 1,128,888.58/1,151.82
6. Step 6: Final answer
   x = 980.09