Finding the Fourth Proportional to 12,111.55, 16,713.39 and 7,076.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,111.55 : 16,713.39 = 7,076.23 : x
2. Step 2: Convert to fraction form
   12,111.55/16,713.39 = 7,076.23/x
3. Step 3: Cross multiply
   12,111.55x = 16,713.39 × 7,076.23
4. Step 4: Simplify right side
   12,111.55x = 118,267,791.72
5. Step 5: Solve for x
   x = 118,267,791.72/12,111.55
6. Step 6: Final answer
   x = 9,764.88