Finding the Fourth Proportional to 1,394.55, 2,091.89 and 1,150.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.55 : 2,091.89 = 1,150.63 : x
2. Step 2: Convert to fraction form
   1,394.55/2,091.89 = 1,150.63/x
3. Step 3: Cross multiply
   1,394.55x = 2,091.89 × 1,150.63
4. Step 4: Simplify right side
   1,394.55x = 2,406,991.39
5. Step 5: Solve for x
   x = 2,406,991.39/1,394.55
6. Step 6: Final answer
   x = 1,726.00