Finding the Fourth Proportional to 11,191.47, 16,762.91 and 10,880.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,191.47 : 16,762.91 = 10,880.43 : x
2. Step 2: Convert to fraction form
   11,191.47/16,762.91 = 10,880.43/x
3. Step 3: Cross multiply
   11,191.47x = 16,762.91 × 10,880.43
4. Step 4: Simplify right side
   11,191.47x = 182,387,614.45
5. Step 5: Solve for x
   x = 182,387,614.45/11,191.47
6. Step 6: Final answer
   x = 16,297.02