Finding the Fourth Proportional to 42,513.63, 63,743.10 and 20,326.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,513.63 : 63,743.10 = 20,326.52 : x
2. Step 2: Convert to fraction form
   42,513.63/63,743.10 = 20,326.52/x
3. Step 3: Cross multiply
   42,513.63x = 63,743.10 × 20,326.52
4. Step 4: Simplify right side
   42,513.63x = 1,295,675,397.01
5. Step 5: Solve for x
   x = 1,295,675,397.01/42,513.63
6. Step 6: Final answer
   x = 30,476.71