Finding the Fourth Proportional to 11,573.39, 17,346.15 and 5,324.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,573.39 : 17,346.15 = 5,324.78 : x
2. Step 2: Convert to fraction form
   11,573.39/17,346.15 = 5,324.78/x
3. Step 3: Cross multiply
   11,573.39x = 17,346.15 × 5,324.78
4. Step 4: Simplify right side
   11,573.39x = 92,364,475.96
5. Step 5: Solve for x
   x = 92,364,475.96/11,573.39
6. Step 6: Final answer
   x = 7,980.76