Finding the Fourth Proportional to 6,342.78, 8,752.62 and 3,510.03

Step by Step Solution

1. Step 1: Write the proportion equation
   6,342.78 : 8,752.62 = 3,510.03 : x
2. Step 2: Convert to fraction form
   6,342.78/8,752.62 = 3,510.03/x
3. Step 3: Cross multiply
   6,342.78x = 8,752.62 × 3,510.03
4. Step 4: Simplify right side
   6,342.78x = 30,721,958.78
5. Step 5: Solve for x
   x = 30,721,958.78/6,342.78
6. Step 6: Final answer
   x = 4,843.61