Finding the Fourth Proportional to 8,914.31, 12,301.28 and 4,880.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,914.31 : 12,301.28 = 4,880.37 : x
2. Step 2: Convert to fraction form
   8,914.31/12,301.28 = 4,880.37/x
3. Step 3: Cross multiply
   8,914.31x = 12,301.28 × 4,880.37
4. Step 4: Simplify right side
   8,914.31x = 60,034,736.37
5. Step 5: Solve for x
   x = 60,034,736.37/8,914.31
6. Step 6: Final answer
   x = 6,734.65