Finding the Fourth Proportional to 11,099.10, 16,638.86 and 5,835.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,099.10 : 16,638.86 = 5,835.72 : x
2. Step 2: Convert to fraction form
   11,099.10/16,638.86 = 5,835.72/x
3. Step 3: Cross multiply
   11,099.10x = 16,638.86 × 5,835.72
4. Step 4: Simplify right side
   11,099.10x = 97,099,728.08
5. Step 5: Solve for x
   x = 97,099,728.08/11,099.10
6. Step 6: Final answer
   x = 8,748.43