Finding the Fourth Proportional to 11,663.52, 17,485.56 and 5,812.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,663.52 : 17,485.56 = 5,812.08 : x
2. Step 2: Convert to fraction form
   11,663.52/17,485.56 = 5,812.08/x
3. Step 3: Cross multiply
   11,663.52x = 17,485.56 × 5,812.08
4. Step 4: Simplify right side
   11,663.52x = 101,627,473.56
5. Step 5: Solve for x
   x = 101,627,473.56/11,663.52
6. Step 6: Final answer
   x = 8,713.28