Finding the Fourth Proportional to 16,610.90, 22,928.59 and 9,898.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,610.90 : 22,928.59 = 9,898.63 : x
2. Step 2: Convert to fraction form
   16,610.90/22,928.59 = 9,898.63/x
3. Step 3: Cross multiply
   16,610.90x = 22,928.59 × 9,898.63
4. Step 4: Simplify right side
   16,610.90x = 226,961,653.58
5. Step 5: Solve for x
   x = 226,961,653.58/16,610.90
6. Step 6: Final answer
   x = 13,663.42