Finding the Fourth Proportional to 8,904.78, 12,287.58 and 4,925.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,904.78 : 12,287.58 = 4,925.76 : x
2. Step 2: Convert to fraction form
   8,904.78/12,287.58 = 4,925.76/x
3. Step 3: Cross multiply
   8,904.78x = 12,287.58 × 4,925.76
4. Step 4: Simplify right side
   8,904.78x = 60,525,670.06
5. Step 5: Solve for x
   x = 60,525,670.06/8,904.78
6. Step 6: Final answer
   x = 6,796.99