Finding the Fourth Proportional to 11,189.63, 15,443.93 and 8,532.29

Step by Step Solution

1. Step 1: Write the proportion equation
   11,189.63 : 15,443.93 = 8,532.29 : x
2. Step 2: Convert to fraction form
   11,189.63/15,443.93 = 8,532.29/x
3. Step 3: Cross multiply
   11,189.63x = 15,443.93 × 8,532.29
4. Step 4: Simplify right side
   11,189.63x = 131,772,089.50
5. Step 5: Solve for x
   x = 131,772,089.50/11,189.63
6. Step 6: Final answer
   x = 11,776.27