Finding the Fourth Proportional to 1,933.80, 2,667.70 and 1,147.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.80 : 2,667.70 = 1,147.29 : x
2. Step 2: Convert to fraction form
   1,933.80/2,667.70 = 1,147.29/x
3. Step 3: Cross multiply
   1,933.80x = 2,667.70 × 1,147.29
4. Step 4: Simplify right side
   1,933.80x = 3,060,625.53
5. Step 5: Solve for x
   x = 3,060,625.53/1,933.80
6. Step 6: Final answer
   x = 1,582.70