Finding the Fourth Proportional to 9,947.89, 14,893.03 and 7,493.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.89 : 14,893.03 = 7,493.05 : x
2. Step 2: Convert to fraction form
   9,947.89/14,893.03 = 7,493.05/x
3. Step 3: Cross multiply
   9,947.89x = 14,893.03 × 7,493.05
4. Step 4: Simplify right side
   9,947.89x = 111,594,218.44
5. Step 5: Solve for x
   x = 111,594,218.44/9,947.89
6. Step 6: Final answer
   x = 11,217.88