Finding the Fourth Proportional to 8,762.23, 12,086.98 and 5,570.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,762.23 : 12,086.98 = 5,570.02 : x
2. Step 2: Convert to fraction form
   8,762.23/12,086.98 = 5,570.02/x
3. Step 3: Cross multiply
   8,762.23x = 12,086.98 × 5,570.02
4. Step 4: Simplify right side
   8,762.23x = 67,324,720.34
5. Step 5: Solve for x
   x = 67,324,720.34/8,762.23
6. Step 6: Final answer
   x = 7,683.51