Finding the Fourth Proportional to 8,755.96, 12,085.02 and 5,353.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,755.96 : 12,085.02 = 5,353.55 : x
2. Step 2: Convert to fraction form
   8,755.96/12,085.02 = 5,353.55/x
3. Step 3: Cross multiply
   8,755.96x = 12,085.02 × 5,353.55
4. Step 4: Simplify right side
   8,755.96x = 64,697,715.22
5. Step 5: Solve for x
   x = 64,697,715.22/8,755.96
6. Step 6: Final answer
   x = 7,388.99