Finding the Fourth Proportional to 7,240.32, 10,856.78 and 3,537

Step by Step Solution

1. Step 1: Write the proportion equation
   7,240.32 : 10,856.78 = 3,537 : x
2. Step 2: Convert to fraction form
   7,240.32/10,856.78 = 3,537/x
3. Step 3: Cross multiply
   7,240.32x = 10,856.78 × 3,537
4. Step 4: Simplify right side
   7,240.32x = 38,400,430.86
5. Step 5: Solve for x
   x = 38,400,430.86/7,240.32
6. Step 6: Final answer
   x = 5,303.69