Finding the Fourth Proportional to 16,607.61, 22,896.50 and 13,417.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,607.61 : 22,896.50 = 13,417.34 : x
2. Step 2: Convert to fraction form
   16,607.61/22,896.50 = 13,417.34/x
3. Step 3: Cross multiply
   16,607.61x = 22,896.50 × 13,417.34
4. Step 4: Simplify right side
   16,607.61x = 307,209,943.74
5. Step 5: Solve for x
   x = 307,209,943.74/16,607.61
6. Step 6: Final answer
   x = 18,498.14