Finding the Fourth Proportional to 22,099.77, 33,116.85 and 17,145

Step by Step Solution

1. Step 1: Write the proportion equation
   22,099.77 : 33,116.85 = 17,145 : x
2. Step 2: Convert to fraction form
   22,099.77/33,116.85 = 17,145/x
3. Step 3: Cross multiply
   22,099.77x = 33,116.85 × 17,145
4. Step 4: Simplify right side
   22,099.77x = 567,788,393.25
5. Step 5: Solve for x
   x = 567,788,393.25/22,099.77
6. Step 6: Final answer
   x = 25,692.05