Finding the Fourth Proportional to 1,933.90, 2,668.76 and 1,147.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.90 : 2,668.76 = 1,147.98 : x
2. Step 2: Convert to fraction form
   1,933.90/2,668.76 = 1,147.98/x
3. Step 3: Cross multiply
   1,933.90x = 2,668.76 × 1,147.98
4. Step 4: Simplify right side
   1,933.90x = 3,063,683.10
5. Step 5: Solve for x
   x = 3,063,683.10/1,933.90
6. Step 6: Final answer
   x = 1,584.20