Finding the Fourth Proportional to 16,008.12, 22,100.94 and 10,980.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,008.12 : 22,100.94 = 10,980.60 : x
2. Step 2: Convert to fraction form
   16,008.12/22,100.94 = 10,980.60/x
3. Step 3: Cross multiply
   16,008.12x = 22,100.94 × 10,980.60
4. Step 4: Simplify right side
   16,008.12x = 242,681,581.76
5. Step 5: Solve for x
   x = 242,681,581.76/16,008.12
6. Step 6: Final answer
   x = 15,159.91