Finding the Fourth Proportional to 11,494.08, 15,845.76 and 9,718.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,494.08 : 15,845.76 = 9,718.56 : x
2. Step 2: Convert to fraction form
   11,494.08/15,845.76 = 9,718.56/x
3. Step 3: Cross multiply
   11,494.08x = 15,845.76 × 9,718.56
4. Step 4: Simplify right side
   11,494.08x = 153,997,969.31
5. Step 5: Solve for x
   x = 153,997,969.31/11,494.08
6. Step 6: Final answer
   x = 13,398.02