Finding the Fourth Proportional to 11,088.56, 16,627.96 and 4,158.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,088.56 : 16,627.96 = 4,158.20 : x
2. Step 2: Convert to fraction form
   11,088.56/16,627.96 = 4,158.20/x
3. Step 3: Cross multiply
   11,088.56x = 16,627.96 × 4,158.20
4. Step 4: Simplify right side
   11,088.56x = 69,142,383.27
5. Step 5: Solve for x
   x = 69,142,383.27/11,088.56
6. Step 6: Final answer
   x = 6,235.47