Finding the Fourth Proportional to 9,940.54, 14,905.94 and 5,556.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.54 : 14,905.94 = 5,556.82 : x
2. Step 2: Convert to fraction form
   9,940.54/14,905.94 = 5,556.82/x
3. Step 3: Cross multiply
   9,940.54x = 14,905.94 × 5,556.82
4. Step 4: Simplify right side
   9,940.54x = 82,829,625.51
5. Step 5: Solve for x
   x = 82,829,625.51/9,940.54
6. Step 6: Final answer
   x = 8,332.51