Finding the Fourth Proportional to 11,064.07, 16,602.59 and 7,940.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,064.07 : 16,602.59 = 7,940.71 : x
2. Step 2: Convert to fraction form
   11,064.07/16,602.59 = 7,940.71/x
3. Step 3: Cross multiply
   11,064.07x = 16,602.59 × 7,940.71
4. Step 4: Simplify right side
   11,064.07x = 131,836,352.44
5. Step 5: Solve for x
   x = 131,836,352.44/11,064.07
6. Step 6: Final answer
   x = 11,915.72