Finding the Fourth Proportional to 9,947.74, 14,908.17 and 3,788.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,947.74 : 14,908.17 = 3,788.38 : x
2. Step 2: Convert to fraction form
   9,947.74/14,908.17 = 3,788.38/x
3. Step 3: Cross multiply
   9,947.74x = 14,908.17 × 3,788.38
4. Step 4: Simplify right side
   9,947.74x = 56,477,813.06
5. Step 5: Solve for x
   x = 56,477,813.06/9,947.74
6. Step 6: Final answer
   x = 5,677.45