Finding the Fourth Proportional to 6,415.98, 8,851.57 and 3,762.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,415.98 : 8,851.57 = 3,762.42 : x
2. Step 2: Convert to fraction form
   6,415.98/8,851.57 = 3,762.42/x
3. Step 3: Cross multiply
   6,415.98x = 8,851.57 × 3,762.42
4. Step 4: Simplify right side
   6,415.98x = 33,303,314.59
5. Step 5: Solve for x
   x = 33,303,314.59/6,415.98
6. Step 6: Final answer
   x = 5,190.68