Finding the Fourth Proportional to 11,072.48, 16,615.58 and 4,498.74

Step by Step Solution

1. Step 1: Write the proportion equation
   11,072.48 : 16,615.58 = 4,498.74 : x
2. Step 2: Convert to fraction form
   11,072.48/16,615.58 = 4,498.74/x
3. Step 3: Cross multiply
   11,072.48x = 16,615.58 × 4,498.74
4. Step 4: Simplify right side
   11,072.48x = 74,749,151.88
5. Step 5: Solve for x
   x = 74,749,151.88/11,072.48
6. Step 6: Final answer
   x = 6,750.90