Finding the Fourth Proportional to 8,752.12, 12,071.10 and 5,608.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,752.12 : 12,071.10 = 5,608.60 : x
2. Step 2: Convert to fraction form
   8,752.12/12,071.10 = 5,608.60/x
3. Step 3: Cross multiply
   8,752.12x = 12,071.10 × 5,608.60
4. Step 4: Simplify right side
   8,752.12x = 67,701,971.46
5. Step 5: Solve for x
   x = 67,701,971.46/8,752.12
6. Step 6: Final answer
   x = 7,735.49