Finding the Fourth Proportional to 13,475.72, 20,216.32 and 5,684.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,475.72 : 20,216.32 = 5,684.56 : x
2. Step 2: Convert to fraction form
   13,475.72/20,216.32 = 5,684.56/x
3. Step 3: Cross multiply
   13,475.72x = 20,216.32 × 5,684.56
4. Step 4: Simplify right side
   13,475.72x = 114,920,884.02
5. Step 5: Solve for x
   x = 114,920,884.02/13,475.72
6. Step 6: Final answer
   x = 8,528.00