Finding the Fourth Proportional to 42,013.94, 63,032.60 and 18,323.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,013.94 : 63,032.60 = 18,323.55 : x
2. Step 2: Convert to fraction form
   42,013.94/63,032.60 = 18,323.55/x
3. Step 3: Cross multiply
   42,013.94x = 63,032.60 × 18,323.55
4. Step 4: Simplify right side
   42,013.94x = 1,154,981,043.54
5. Step 5: Solve for x
   x = 1,154,981,043.54/42,013.94
6. Step 6: Final answer
   x = 27,490.43