Finding the Fourth Proportional to 9,946.78, 14,887.71 and 7,313.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,946.78 : 14,887.71 = 7,313.59 : x
2. Step 2: Convert to fraction form
   9,946.78/14,887.71 = 7,313.59/x
3. Step 3: Cross multiply
   9,946.78x = 14,887.71 × 7,313.59
4. Step 4: Simplify right side
   9,946.78x = 108,882,606.98
5. Step 5: Solve for x
   x = 108,882,606.98/9,946.78
6. Step 6: Final answer
   x = 10,946.52