Finding the Fourth Proportional to 9,772.72, 14,659.12 and 3,199.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,772.72 : 14,659.12 = 3,199.52 : x
2. Step 2: Convert to fraction form
   9,772.72/14,659.12 = 3,199.52/x
3. Step 3: Cross multiply
   9,772.72x = 14,659.12 × 3,199.52
4. Step 4: Simplify right side
   9,772.72x = 46,902,147.62
5. Step 5: Solve for x
   x = 46,902,147.62/9,772.72
6. Step 6: Final answer
   x = 4,799.29