Finding the Fourth Proportional to 20,554.35, 28,367.39 and 17,098.82

Step by Step Solution

1. Step 1: Write the proportion equation
   20,554.35 : 28,367.39 = 17,098.82 : x
2. Step 2: Convert to fraction form
   20,554.35/28,367.39 = 17,098.82/x
3. Step 3: Cross multiply
   20,554.35x = 28,367.39 × 17,098.82
4. Step 4: Simplify right side
   20,554.35x = 485,049,009.15
5. Step 5: Solve for x
   x = 485,049,009.15/20,554.35
6. Step 6: Final answer
   x = 23,598.36