Finding the Fourth Proportional to 6,840.72, 9,440.32 and 4,010.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,840.72 : 9,440.32 = 4,010.12 : x
2. Step 2: Convert to fraction form
   6,840.72/9,440.32 = 4,010.12/x
3. Step 3: Cross multiply
   6,840.72x = 9,440.32 × 4,010.12
4. Step 4: Simplify right side
   6,840.72x = 37,856,816.04
5. Step 5: Solve for x
   x = 37,856,816.04/6,840.72
6. Step 6: Final answer
   x = 5,534.04