Finding the Fourth Proportional to 11,789.56, 17,673.40 and 5,212.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,789.56 : 17,673.40 = 5,212.24 : x
2. Step 2: Convert to fraction form
   11,789.56/17,673.40 = 5,212.24/x
3. Step 3: Cross multiply
   11,789.56x = 17,673.40 × 5,212.24
4. Step 4: Simplify right side
   11,789.56x = 92,118,002.42
5. Step 5: Solve for x
   x = 92,118,002.42/11,789.56
6. Step 6: Final answer
   x = 7,813.52