Finding the Fourth Proportional to 9,146.17, 12,621.72 and 4,954.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.17 : 12,621.72 = 4,954.42 : x
2. Step 2: Convert to fraction form
   9,146.17/12,621.72 = 4,954.42/x
3. Step 3: Cross multiply
   9,146.17x = 12,621.72 × 4,954.42
4. Step 4: Simplify right side
   9,146.17x = 62,533,302.00
5. Step 5: Solve for x
   x = 62,533,302.00/9,146.17
6. Step 6: Final answer
   x = 6,837.10