Finding the Fourth Proportional to 16,884.72, 23,298.84 and 10,917.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,884.72 : 23,298.84 = 10,917.72 : x
2. Step 2: Convert to fraction form
   16,884.72/23,298.84 = 10,917.72/x
3. Step 3: Cross multiply
   16,884.72x = 23,298.84 × 10,917.72
4. Step 4: Simplify right side
   16,884.72x = 254,370,211.44
5. Step 5: Solve for x
   x = 254,370,211.44/16,884.72
6. Step 6: Final answer
   x = 15,065.11