Finding the Fourth Proportional to 7,354.98, 10,149.89 and 3,997.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,354.98 : 10,149.89 = 3,997.79 : x
2. Step 2: Convert to fraction form
   7,354.98/10,149.89 = 3,997.79/x
3. Step 3: Cross multiply
   7,354.98x = 10,149.89 × 3,997.79
4. Step 4: Simplify right side
   7,354.98x = 40,577,118.55
5. Step 5: Solve for x
   x = 40,577,118.55/7,354.98
6. Step 6: Final answer
   x = 5,516.96