Finding the Fourth Proportional to 11,602.50, 16,019.76 and 7,132.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,602.50 : 16,019.76 = 7,132.20 : x
2. Step 2: Convert to fraction form
   11,602.50/16,019.76 = 7,132.20/x
3. Step 3: Cross multiply
   11,602.50x = 16,019.76 × 7,132.20
4. Step 4: Simplify right side
   11,602.50x = 114,256,132.27
5. Step 5: Solve for x
   x = 114,256,132.27/11,602.50
6. Step 6: Final answer
   x = 9,847.54