Finding the Fourth Proportional to 11,099.55, 16,634.88 and 4,518.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,099.55 : 16,634.88 = 4,518.03 : x
2. Step 2: Convert to fraction form
   11,099.55/16,634.88 = 4,518.03/x
3. Step 3: Cross multiply
   11,099.55x = 16,634.88 × 4,518.03
4. Step 4: Simplify right side
   11,099.55x = 75,156,886.89
5. Step 5: Solve for x
   x = 75,156,886.89/11,099.55
6. Step 6: Final answer
   x = 6,771.17