Finding the Fourth Proportional to 16,488.01, 22,751.98 and 9,772.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,488.01 : 22,751.98 = 9,772.50 : x
2. Step 2: Convert to fraction form
   16,488.01/22,751.98 = 9,772.50/x
3. Step 3: Cross multiply
   16,488.01x = 22,751.98 × 9,772.50
4. Step 4: Simplify right side
   16,488.01x = 222,343,724.55
5. Step 5: Solve for x
   x = 222,343,724.55/16,488.01
6. Step 6: Final answer
   x = 13,485.18