Finding the Fourth Proportional to 8,904, 12,287.31 and 4,925.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,904 : 12,287.31 = 4,925.15 : x
2. Step 2: Convert to fraction form
   8,904/12,287.31 = 4,925.15/x
3. Step 3: Cross multiply
   8,904x = 12,287.31 × 4,925.15
4. Step 4: Simplify right side
   8,904x = 60,516,783.41
5. Step 5: Solve for x
   x = 60,516,783.41/8,904
6. Step 6: Final answer
   x = 6,796.58