Finding the Fourth Proportional to 9,992.68, 14,986.14 and 3,067.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.68 : 14,986.14 = 3,067.72 : x
2. Step 2: Convert to fraction form
   9,992.68/14,986.14 = 3,067.72/x
3. Step 3: Cross multiply
   9,992.68x = 14,986.14 × 3,067.72
4. Step 4: Simplify right side
   9,992.68x = 45,973,281.40
5. Step 5: Solve for x
   x = 45,973,281.40/9,992.68
6. Step 6: Final answer
   x = 4,600.70