Finding the Fourth Proportional to 10,690.71, 16,044.71 and 5,498.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,690.71 : 16,044.71 = 5,498.07 : x
2. Step 2: Convert to fraction form
   10,690.71/16,044.71 = 5,498.07/x
3. Step 3: Cross multiply
   10,690.71x = 16,044.71 × 5,498.07
4. Step 4: Simplify right side
   10,690.71x = 88,214,911.22
5. Step 5: Solve for x
   x = 88,214,911.22/10,690.71
6. Step 6: Final answer
   x = 8,251.55