Finding the Fourth Proportional to 9,942.31, 14,912.61 and 4,676.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,942.31 : 14,912.61 = 4,676.08 : x
2. Step 2: Convert to fraction form
   9,942.31/14,912.61 = 4,676.08/x
3. Step 3: Cross multiply
   9,942.31x = 14,912.61 × 4,676.08
4. Step 4: Simplify right side
   9,942.31x = 69,732,530.51
5. Step 5: Solve for x
   x = 69,732,530.51/9,942.31
6. Step 6: Final answer
   x = 7,013.72