Finding the Fourth Proportional to 16,494.50, 22,762.50 and 9,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,494.50 : 22,762.50 = 9,870.50 : x
2. Step 2: Convert to fraction form
   16,494.50/22,762.50 = 9,870.50/x
3. Step 3: Cross multiply
   16,494.50x = 22,762.50 × 9,870.50
4. Step 4: Simplify right side
   16,494.50x = 224,677,256.25
5. Step 5: Solve for x
   x = 224,677,256.25/16,494.50
6. Step 6: Final answer
   x = 13,621.34