Finding the Fourth Proportional to 9,156.06, 12,635.25 and 4,964.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,156.06 : 12,635.25 = 4,964.22 : x
2. Step 2: Convert to fraction form
   9,156.06/12,635.25 = 4,964.22/x
3. Step 3: Cross multiply
   9,156.06x = 12,635.25 × 4,964.22
4. Step 4: Simplify right side
   9,156.06x = 62,724,160.76
5. Step 5: Solve for x
   x = 62,724,160.76/9,156.06
6. Step 6: Final answer
   x = 6,850.56