Finding the Fourth Proportional to 16,903.91, 23,327.88 and 9,247.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,903.91 : 23,327.88 = 9,247.55 : x
2. Step 2: Convert to fraction form
   16,903.91/23,327.88 = 9,247.55/x
3. Step 3: Cross multiply
   16,903.91x = 23,327.88 × 9,247.55
4. Step 4: Simplify right side
   16,903.91x = 215,725,736.69
5. Step 5: Solve for x
   x = 215,725,736.69/16,903.91
6. Step 6: Final answer
   x = 12,761.88