Finding the Fourth Proportional to 1,933.16, 2,667.74 and 1,147.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.16 : 2,667.74 = 1,147.23 : x
2. Step 2: Convert to fraction form
   1,933.16/2,667.74 = 1,147.23/x
3. Step 3: Cross multiply
   1,933.16x = 2,667.74 × 1,147.23
4. Step 4: Simplify right side
   1,933.16x = 3,060,505.62
5. Step 5: Solve for x
   x = 3,060,505.62/1,933.16
6. Step 6: Final answer
   x = 1,583.17