Finding the Fourth Proportional to 16,577.68, 22,878.12 and 10,984.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,577.68 : 22,878.12 = 10,984.72 : x
2. Step 2: Convert to fraction form
   16,577.68/22,878.12 = 10,984.72/x
3. Step 3: Cross multiply
   16,577.68x = 22,878.12 × 10,984.72
4. Step 4: Simplify right side
   16,577.68x = 251,309,742.33
5. Step 5: Solve for x
   x = 251,309,742.33/16,577.68
6. Step 6: Final answer
   x = 15,159.52