Finding the Fourth Proportional to 8,762.22, 12,091.86 and 4,985.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,762.22 : 12,091.86 = 4,985.37 : x
2. Step 2: Convert to fraction form
   8,762.22/12,091.86 = 4,985.37/x
3. Step 3: Cross multiply
   8,762.22x = 12,091.86 × 4,985.37
4. Step 4: Simplify right side
   8,762.22x = 60,282,396.09
5. Step 5: Solve for x
   x = 60,282,396.09/8,762.22
6. Step 6: Final answer
   x = 6,879.81