Finding the Fourth Proportional to 42,078.57, 63,057.71 and 30,897.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,078.57 : 63,057.71 = 30,897.54 : x
2. Step 2: Convert to fraction form
   42,078.57/63,057.71 = 30,897.54/x
3. Step 3: Cross multiply
   42,078.57x = 63,057.71 × 30,897.54
4. Step 4: Simplify right side
   42,078.57x = 1,948,327,962.55
5. Step 5: Solve for x
   x = 1,948,327,962.55/42,078.57
6. Step 6: Final answer
   x = 46,302.14