Finding the Fourth Proportional to 7,403.05, 10,212.37 and 5,013.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,403.05 : 10,212.37 = 5,013.15 : x
2. Step 2: Convert to fraction form
   7,403.05/10,212.37 = 5,013.15/x
3. Step 3: Cross multiply
   7,403.05x = 10,212.37 × 5,013.15
4. Step 4: Simplify right side
   7,403.05x = 51,196,142.67
5. Step 5: Solve for x
   x = 51,196,142.67/7,403.05
6. Step 6: Final answer
   x = 6,915.55