Finding the Fourth Proportional to 11,298.69, 16,947.81 and 3,507.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,298.69 : 16,947.81 = 3,507.48 : x
2. Step 2: Convert to fraction form
   11,298.69/16,947.81 = 3,507.48/x
3. Step 3: Cross multiply
   11,298.69x = 16,947.81 × 3,507.48
4. Step 4: Simplify right side
   11,298.69x = 59,444,104.62
5. Step 5: Solve for x
   x = 59,444,104.62/11,298.69
6. Step 6: Final answer
   x = 5,261.15