Finding the Fourth Proportional to 8,904.20, 12,287.86 and 4,925.37

Step by Step Solution

1. Step 1: Write the proportion equation
   8,904.20 : 12,287.86 = 4,925.37 : x
2. Step 2: Convert to fraction form
   8,904.20/12,287.86 = 4,925.37/x
3. Step 3: Cross multiply
   8,904.20x = 12,287.86 × 4,925.37
4. Step 4: Simplify right side
   8,904.20x = 60,522,244.69
5. Step 5: Solve for x
   x = 60,522,244.69/8,904.20
6. Step 6: Final answer
   x = 6,797.04