Finding the Fourth Proportional to 16,420.16, 22,667.28 and 10,460

Step by Step Solution

1. Step 1: Write the proportion equation
   16,420.16 : 22,667.28 = 10,460 : x
2. Step 2: Convert to fraction form
   16,420.16/22,667.28 = 10,460/x
3. Step 3: Cross multiply
   16,420.16x = 22,667.28 × 10,460
4. Step 4: Simplify right side
   16,420.16x = 237,099,748.80
5. Step 5: Solve for x
   x = 237,099,748.80/16,420.16
6. Step 6: Final answer
   x = 14,439.55