Finding the Fourth Proportional to 5,670.72, 7,823.40 and 4,182.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,670.72 : 7,823.40 = 4,182.18 : x
2. Step 2: Convert to fraction form
   5,670.72/7,823.40 = 4,182.18/x
3. Step 3: Cross multiply
   5,670.72x = 7,823.40 × 4,182.18
4. Step 4: Simplify right side
   5,670.72x = 32,718,867.01
5. Step 5: Solve for x
   x = 32,718,867.01/5,670.72
6. Step 6: Final answer
   x = 5,769.79