Finding the Fourth Proportional to 11,630.50, 16,055.76 and 7,158.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,630.50 : 16,055.76 = 7,158.22 : x
2. Step 2: Convert to fraction form
   11,630.50/16,055.76 = 7,158.22/x
3. Step 3: Cross multiply
   11,630.50x = 16,055.76 × 7,158.22
4. Step 4: Simplify right side
   11,630.50x = 114,930,662.35
5. Step 5: Solve for x
   x = 114,930,662.35/11,630.50
6. Step 6: Final answer
   x = 9,881.83