Finding the Fourth Proportional to 8,892.34, 12,271.42 and 4,913.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892.34 : 12,271.42 = 4,913.46 : x
2. Step 2: Convert to fraction form
   8,892.34/12,271.42 = 4,913.46/x
3. Step 3: Cross multiply
   8,892.34x = 12,271.42 × 4,913.46
4. Step 4: Simplify right side
   8,892.34x = 60,295,131.31
5. Step 5: Solve for x
   x = 60,295,131.31/8,892.34
6. Step 6: Final answer
   x = 6,780.57