Finding the Fourth Proportional to 5,002.20, 7,513.56 and 3,837.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,002.20 : 7,513.56 = 3,837.60 : x
2. Step 2: Convert to fraction form
   5,002.20/7,513.56 = 3,837.60/x
3. Step 3: Cross multiply
   5,002.20x = 7,513.56 × 3,837.60
4. Step 4: Simplify right side
   5,002.20x = 28,834,037.86
5. Step 5: Solve for x
   x = 28,834,037.86/5,002.20
6. Step 6: Final answer
   x = 5,764.27