Finding the Fourth Proportional to 7,100.72, 9,798.99 and 4,118.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,100.72 : 9,798.99 = 4,118.28 : x
2. Step 2: Convert to fraction form
   7,100.72/9,798.99 = 4,118.28/x
3. Step 3: Cross multiply
   7,100.72x = 9,798.99 × 4,118.28
4. Step 4: Simplify right side
   7,100.72x = 40,354,963.95
5. Step 5: Solve for x
   x = 40,354,963.95/7,100.72
6. Step 6: Final answer
   x = 5,683.23