Finding the Fourth Proportional to 5,429.72, 8,141.83 and 2,652.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,429.72 : 8,141.83 = 2,652.23 : x
2. Step 2: Convert to fraction form
   5,429.72/8,141.83 = 2,652.23/x
3. Step 3: Cross multiply
   5,429.72x = 8,141.83 × 2,652.23
4. Step 4: Simplify right side
   5,429.72x = 21,594,005.78
5. Step 5: Solve for x
   x = 21,594,005.78/5,429.72
6. Step 6: Final answer
   x = 3,977.00