Finding the Fourth Proportional to 1,109.03, 1,529.69 and 716.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.03 : 1,529.69 = 716.18 : x
2. Step 2: Convert to fraction form
   1,109.03/1,529.69 = 716.18/x
3. Step 3: Cross multiply
   1,109.03x = 1,529.69 × 716.18
4. Step 4: Simplify right side
   1,109.03x = 1,095,522.15
5. Step 5: Solve for x
   x = 1,095,522.15/1,109.03
6. Step 6: Final answer
   x = 987.82