Finding the Fourth Proportional to 11,099.56, 16,648.18 and 4,174.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,099.56 : 16,648.18 = 4,174.60 : x
2. Step 2: Convert to fraction form
   11,099.56/16,648.18 = 4,174.60/x
3. Step 3: Cross multiply
   11,099.56x = 16,648.18 × 4,174.60
4. Step 4: Simplify right side
   11,099.56x = 69,499,492.23
5. Step 5: Solve for x
   x = 69,499,492.23/11,099.56
6. Step 6: Final answer
   x = 6,261.46