Finding the Fourth Proportional to 1,147.02, 1,582.01 and 773.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.02 : 1,582.01 = 773.41 : x
2. Step 2: Convert to fraction form
   1,147.02/1,582.01 = 773.41/x
3. Step 3: Cross multiply
   1,147.02x = 1,582.01 × 773.41
4. Step 4: Simplify right side
   1,147.02x = 1,223,532.55
5. Step 5: Solve for x
   x = 1,223,532.55/1,147.02
6. Step 6: Final answer
   x = 1,066.71