Finding the Fourth Proportional to 7,447.48, 10,277.69 and 4,090.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,447.48 : 10,277.69 = 4,090.50 : x
2. Step 2: Convert to fraction form
   7,447.48/10,277.69 = 4,090.50/x
3. Step 3: Cross multiply
   7,447.48x = 10,277.69 × 4,090.50
4. Step 4: Simplify right side
   7,447.48x = 42,040,870.49
5. Step 5: Solve for x
   x = 42,040,870.49/7,447.48
6. Step 6: Final answer
   x = 5,644.98