Finding the Fourth Proportional to 10,899.52, 16,348.93 and 3,108.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,899.52 : 16,348.93 = 3,108.33 : x
2. Step 2: Convert to fraction form
   10,899.52/16,348.93 = 3,108.33/x
3. Step 3: Cross multiply
   10,899.52x = 16,348.93 × 3,108.33
4. Step 4: Simplify right side
   10,899.52x = 50,817,861.82
5. Step 5: Solve for x
   x = 50,817,861.82/10,899.52
6. Step 6: Final answer
   x = 4,662.40