Finding the Fourth Proportional to 9,992.16, 14,997.96 and 4,801.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992.16 : 14,997.96 = 4,801.68 : x
2. Step 2: Convert to fraction form
   9,992.16/14,997.96 = 4,801.68/x
3. Step 3: Cross multiply
   9,992.16x = 14,997.96 × 4,801.68
4. Step 4: Simplify right side
   9,992.16x = 72,015,404.57
5. Step 5: Solve for x
   x = 72,015,404.57/9,992.16
6. Step 6: Final answer
   x = 7,207.19