Finding the Fourth Proportional to 11,530.72, 17,283.12 and 5,691.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,530.72 : 17,283.12 = 5,691.43 : x
2. Step 2: Convert to fraction form
   11,530.72/17,283.12 = 5,691.43/x
3. Step 3: Cross multiply
   11,530.72x = 17,283.12 × 5,691.43
4. Step 4: Simplify right side
   11,530.72x = 98,365,667.66
5. Step 5: Solve for x
   x = 98,365,667.66/11,530.72
6. Step 6: Final answer
   x = 8,530.75