Finding the Fourth Proportional to 7,442.76, 10,270.62 and 5,085.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,442.76 : 10,270.62 = 5,085.48 : x
2. Step 2: Convert to fraction form
   7,442.76/10,270.62 = 5,085.48/x
3. Step 3: Cross multiply
   7,442.76x = 10,270.62 × 5,085.48
4. Step 4: Simplify right side
   7,442.76x = 52,231,032.60
5. Step 5: Solve for x
   x = 52,231,032.60/7,442.76
6. Step 6: Final answer
   x = 7,017.70