Finding the Fourth Proportional to 7,447.50, 10,277.82 and 4,090.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,447.50 : 10,277.82 = 4,090.62 : x
2. Step 2: Convert to fraction form
   7,447.50/10,277.82 = 4,090.62/x
3. Step 3: Cross multiply
   7,447.50x = 10,277.82 × 4,090.62
4. Step 4: Simplify right side
   7,447.50x = 42,042,694.59
5. Step 5: Solve for x
   x = 42,042,694.59/7,447.50
6. Step 6: Final answer
   x = 5,645.21