Finding the Fourth Proportional to 8,892.58, 12,270.04 and 5,356.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892.58 : 12,270.04 = 5,356.02 : x
2. Step 2: Convert to fraction form
   8,892.58/12,270.04 = 5,356.02/x
3. Step 3: Cross multiply
   8,892.58x = 12,270.04 × 5,356.02
4. Step 4: Simplify right side
   8,892.58x = 65,718,579.64
5. Step 5: Solve for x
   x = 65,718,579.64/8,892.58
6. Step 6: Final answer
   x = 7,390.27