Finding the Fourth Proportional to 9,146.31, 12,621.98 and 4,954.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,146.31 : 12,621.98 = 4,954.59 : x
2. Step 2: Convert to fraction form
   9,146.31/12,621.98 = 4,954.59/x
3. Step 3: Cross multiply
   9,146.31x = 12,621.98 × 4,954.59
4. Step 4: Simplify right side
   9,146.31x = 62,536,711.12
5. Step 5: Solve for x
   x = 62,536,711.12/9,146.31
6. Step 6: Final answer
   x = 6,837.37