Finding the Fourth Proportional to 28,649.39, 42,911.78 and 17,522.42

Step by Step Solution

1. Step 1: Write the proportion equation
   28,649.39 : 42,911.78 = 17,522.42 : x
2. Step 2: Convert to fraction form
   28,649.39/42,911.78 = 17,522.42/x
3. Step 3: Cross multiply
   28,649.39x = 42,911.78 × 17,522.42
4. Step 4: Simplify right side
   28,649.39x = 751,917,929.94
5. Step 5: Solve for x
   x = 751,917,929.94/28,649.39
6. Step 6: Final answer
   x = 26,245.52