Finding the Fourth Proportional to 14,827.56, 20,461.72 and 8,113.18

Step by Step Solution

1. Step 1: Write the proportion equation
   14,827.56 : 20,461.72 = 8,113.18 : x
2. Step 2: Convert to fraction form
   14,827.56/20,461.72 = 8,113.18/x
3. Step 3: Cross multiply
   14,827.56x = 20,461.72 × 8,113.18
4. Step 4: Simplify right side
   14,827.56x = 166,009,617.47
5. Step 5: Solve for x
   x = 166,009,617.47/14,827.56
6. Step 6: Final answer
   x = 11,196.02