Finding the Fourth Proportional to 6,609.50, 9,914.52 and 1,992.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,609.50 : 9,914.52 = 1,992.50 : x
2. Step 2: Convert to fraction form
   6,609.50/9,914.52 = 1,992.50/x
3. Step 3: Cross multiply
   6,609.50x = 9,914.52 × 1,992.50
4. Step 4: Simplify right side
   6,609.50x = 19,754,681.10
5. Step 5: Solve for x
   x = 19,754,681.10/6,609.50
6. Step 6: Final answer
   x = 2,988.83