Finding the Fourth Proportional to 11,298.72, 16,948.58 and 3,507.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,298.72 : 16,948.58 = 3,507.36 : x
2. Step 2: Convert to fraction form
   11,298.72/16,948.58 = 3,507.36/x
3. Step 3: Cross multiply
   11,298.72x = 16,948.58 × 3,507.36
4. Step 4: Simplify right side
   11,298.72x = 59,444,771.55
5. Step 5: Solve for x
   x = 59,444,771.55/11,298.72
6. Step 6: Final answer
   x = 5,261.20