Finding the Fourth Proportional to 8,897.02, 12,276.56 and 4,918.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,897.02 : 12,276.56 = 4,918.30 : x
2. Step 2: Convert to fraction form
   8,897.02/12,276.56 = 4,918.30/x
3. Step 3: Cross multiply
   8,897.02x = 12,276.56 × 4,918.30
4. Step 4: Simplify right side
   8,897.02x = 60,379,805.05
5. Step 5: Solve for x
   x = 60,379,805.05/8,897.02
6. Step 6: Final answer
   x = 6,786.52