Finding the Fourth Proportional to 5,024.34, 7,486.38 and 4,800.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,024.34 : 7,486.38 = 4,800.78 : x
2. Step 2: Convert to fraction form
   5,024.34/7,486.38 = 4,800.78/x
3. Step 3: Cross multiply
   5,024.34x = 7,486.38 × 4,800.78
4. Step 4: Simplify right side
   5,024.34x = 35,940,463.38
5. Step 5: Solve for x
   x = 35,940,463.38/5,024.34
6. Step 6: Final answer
   x = 7,153.27