Finding the Fourth Proportional to 8,910.91, 12,297.39 and 4,878.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.91 : 12,297.39 = 4,878.02 : x
2. Step 2: Convert to fraction form
   8,910.91/12,297.39 = 4,878.02/x
3. Step 3: Cross multiply
   8,910.91x = 12,297.39 × 4,878.02
4. Step 4: Simplify right side
   8,910.91x = 59,986,926.82
5. Step 5: Solve for x
   x = 59,986,926.82/8,910.91
6. Step 6: Final answer
   x = 6,731.85