Finding the Fourth Proportional to 14,606.79, 20,174.00 and 9,818.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,606.79 : 20,174.00 = 9,818.42 : x
2. Step 2: Convert to fraction form
   14,606.79/20,174.00 = 9,818.42/x
3. Step 3: Cross multiply
   14,606.79x = 20,174.00 × 9,818.42
4. Step 4: Simplify right side
   14,606.79x = 198,076,730.77
5. Step 5: Solve for x
   x = 198,076,730.77/14,606.79
6. Step 6: Final answer
   x = 13,560.59