Finding the Fourth Proportional to 11,111.27, 15,322.05 and 9,523.44

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.27 : 15,322.05 = 9,523.44 : x
2. Step 2: Convert to fraction form
   11,111.27/15,322.05 = 9,523.44/x
3. Step 3: Cross multiply
   11,111.27x = 15,322.05 × 9,523.44
4. Step 4: Simplify right side
   11,111.27x = 145,918,623.85
5. Step 5: Solve for x
   x = 145,918,623.85/11,111.27
6. Step 6: Final answer
   x = 13,132.49