Finding the Fourth Proportional to 4,048.72, 5,588.80 and 3,164.81

Step by Step Solution

1. Step 1: Write the proportion equation
   4,048.72 : 5,588.80 = 3,164.81 : x
2. Step 2: Convert to fraction form
   4,048.72/5,588.80 = 3,164.81/x
3. Step 3: Cross multiply
   4,048.72x = 5,588.80 × 3,164.81
4. Step 4: Simplify right side
   4,048.72x = 17,687,454.27
5. Step 5: Solve for x
   x = 17,687,454.27/4,048.72
6. Step 6: Final answer
   x = 4,368.66