Finding the Fourth Proportional to 42,324.58, 63,499.29 and 18,945.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,324.58 : 63,499.29 = 18,945.82 : x
2. Step 2: Convert to fraction form
   42,324.58/63,499.29 = 18,945.82/x
3. Step 3: Cross multiply
   42,324.58x = 63,499.29 × 18,945.82
4. Step 4: Simplify right side
   42,324.58x = 1,203,046,118.47
5. Step 5: Solve for x
   x = 1,203,046,118.47/42,324.58
6. Step 6: Final answer
   x = 28,424.29