Finding the Fourth Proportional to 11,581.23, 17,376.78 and 5,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,581.23 : 17,376.78 = 5,663.42 : x
2. Step 2: Convert to fraction form
   11,581.23/17,376.78 = 5,663.42/x
3. Step 3: Cross multiply
   11,581.23x = 17,376.78 × 5,663.42
4. Step 4: Simplify right side
   11,581.23x = 98,411,971.05
5. Step 5: Solve for x
   x = 98,411,971.05/11,581.23
6. Step 6: Final answer
   x = 8,497.54