Finding the Fourth Proportional to 14,484.50, 19,988.61 and 8,196.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,484.50 : 19,988.61 = 8,196.89 : x
2. Step 2: Convert to fraction form
   14,484.50/19,988.61 = 8,196.89/x
3. Step 3: Cross multiply
   14,484.50x = 19,988.61 × 8,196.89
4. Step 4: Simplify right side
   14,484.50x = 163,844,437.42
5. Step 5: Solve for x
   x = 163,844,437.42/14,484.50
6. Step 6: Final answer
   x = 11,311.71