Finding the Fourth Proportional to 3,943.98, 5,916.34 and 1,022.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.98 : 5,916.34 = 1,022.30 : x
2. Step 2: Convert to fraction form
   3,943.98/5,916.34 = 1,022.30/x
3. Step 3: Cross multiply
   3,943.98x = 5,916.34 × 1,022.30
4. Step 4: Simplify right side
   3,943.98x = 6,048,274.38
5. Step 5: Solve for x
   x = 6,048,274.38/3,943.98
6. Step 6: Final answer
   x = 1,533.55