Finding the Fourth Proportional to 1,943.87, 2,682.07 and 1,147.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943.87 : 2,682.07 = 1,147.22 : x
2. Step 2: Convert to fraction form
   1,943.87/2,682.07 = 1,147.22/x
3. Step 3: Cross multiply
   1,943.87x = 2,682.07 × 1,147.22
4. Step 4: Simplify right side
   1,943.87x = 3,076,928.89
5. Step 5: Solve for x
   x = 3,076,928.89/1,943.87
6. Step 6: Final answer
   x = 1,582.89