Finding the Fourth Proportional to 42,536.98, 63,819.78 and 18,841.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,536.98 : 63,819.78 = 18,841.24 : x
2. Step 2: Convert to fraction form
   42,536.98/63,819.78 = 18,841.24/x
3. Step 3: Cross multiply
   42,536.98x = 63,819.78 × 18,841.24
4. Step 4: Simplify right side
   42,536.98x = 1,202,443,791.73
5. Step 5: Solve for x
   x = 1,202,443,791.73/42,536.98
6. Step 6: Final answer
   x = 28,268.20