Finding the Fourth Proportional to 5,719.72, 8,549.13 and 4,973.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.72 : 8,549.13 = 4,973.31 : x
2. Step 2: Convert to fraction form
   5,719.72/8,549.13 = 4,973.31/x
3. Step 3: Cross multiply
   5,719.72x = 8,549.13 × 4,973.31
4. Step 4: Simplify right side
   5,719.72x = 42,517,473.72
5. Step 5: Solve for x
   x = 42,517,473.72/5,719.72
6. Step 6: Final answer
   x = 7,433.49