Finding the Fourth Proportional to 5,215.37, 7,820.62 and 3,024.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,215.37 : 7,820.62 = 3,024.72 : x
2. Step 2: Convert to fraction form
   5,215.37/7,820.62 = 3,024.72/x
3. Step 3: Cross multiply
   5,215.37x = 7,820.62 × 3,024.72
4. Step 4: Simplify right side
   5,215.37x = 23,655,178.16
5. Step 5: Solve for x
   x = 23,655,178.16/5,215.37
6. Step 6: Final answer
   x = 4,535.67