Finding the Fourth Proportional to 11,614.67, 16,012.37 and 7,980.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,614.67 : 16,012.37 = 7,980.60 : x
2. Step 2: Convert to fraction form
   11,614.67/16,012.37 = 7,980.60/x
3. Step 3: Cross multiply
   11,614.67x = 16,012.37 × 7,980.60
4. Step 4: Simplify right side
   11,614.67x = 127,788,280.12
5. Step 5: Solve for x
   x = 127,788,280.12/11,614.67
6. Step 6: Final answer
   x = 11,002.32