Finding the Fourth Proportional to 1,077.84, 1,613.52 and 731.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077.84 : 1,613.52 = 731.52 : x
2. Step 2: Convert to fraction form
   1,077.84/1,613.52 = 731.52/x
3. Step 3: Cross multiply
   1,077.84x = 1,613.52 × 731.52
4. Step 4: Simplify right side
   1,077.84x = 1,180,322.15
5. Step 5: Solve for x
   x = 1,180,322.15/1,077.84
6. Step 6: Final answer
   x = 1,095.08