Finding the Fourth Proportional to 11,160.30, 16,742.06 and 3,369.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,160.30 : 16,742.06 = 3,369.72 : x
2. Step 2: Convert to fraction form
   11,160.30/16,742.06 = 3,369.72/x
3. Step 3: Cross multiply
   11,160.30x = 16,742.06 × 3,369.72
4. Step 4: Simplify right side
   11,160.30x = 56,416,054.42
5. Step 5: Solve for x
   x = 56,416,054.42/11,160.30
6. Step 6: Final answer
   x = 5,055.07