Finding the Fourth Proportional to 16,618.50, 22,932.72 and 9,903.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,618.50 : 22,932.72 = 9,903.98 : x
2. Step 2: Convert to fraction form
   16,618.50/22,932.72 = 9,903.98/x
3. Step 3: Cross multiply
   16,618.50x = 22,932.72 × 9,903.98
4. Step 4: Simplify right side
   16,618.50x = 227,125,200.23
5. Step 5: Solve for x
   x = 227,125,200.23/16,618.50
6. Step 6: Final answer
   x = 13,667.01