Finding the Fourth Proportional to 7,612.47, 10,503.90 and 4,469.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,612.47 : 10,503.90 = 4,469.31 : x
2. Step 2: Convert to fraction form
   7,612.47/10,503.90 = 4,469.31/x
3. Step 3: Cross multiply
   7,612.47x = 10,503.90 × 4,469.31
4. Step 4: Simplify right side
   7,612.47x = 46,945,185.31
5. Step 5: Solve for x
   x = 46,945,185.31/7,612.47
6. Step 6: Final answer
   x = 6,166.88