Finding the Fourth Proportional to 1,147.27, 1,719.94 and 591.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.27 : 1,719.94 = 591.35 : x
2. Step 2: Convert to fraction form
   1,147.27/1,719.94 = 591.35/x
3. Step 3: Cross multiply
   1,147.27x = 1,719.94 × 591.35
4. Step 4: Simplify right side
   1,147.27x = 1,017,086.52
5. Step 5: Solve for x
   x = 1,017,086.52/1,147.27
6. Step 6: Final answer
   x = 886.53