Finding the Fourth Proportional to 8,453.88, 12,685.35 and 4,756.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,453.88 : 12,685.35 = 4,756.37 : x
2. Step 2: Convert to fraction form
   8,453.88/12,685.35 = 4,756.37/x
3. Step 3: Cross multiply
   8,453.88x = 12,685.35 × 4,756.37
4. Step 4: Simplify right side
   8,453.88x = 60,336,154.75
5. Step 5: Solve for x
   x = 60,336,154.75/8,453.88
6. Step 6: Final answer
   x = 7,137.10