Finding the Fourth Proportional to 11,300.05, 16,949.90 and 3,508.87

Step by Step Solution

1. Step 1: Write the proportion equation
   11,300.05 : 16,949.90 = 3,508.87 : x
2. Step 2: Convert to fraction form
   11,300.05/16,949.90 = 3,508.87/x
3. Step 3: Cross multiply
   11,300.05x = 16,949.90 × 3,508.87
4. Step 4: Simplify right side
   11,300.05x = 59,474,978.07
5. Step 5: Solve for x
   x = 59,474,978.07/11,300.05
6. Step 6: Final answer
   x = 5,263.25