Finding the Fourth Proportional to 141,941.72, 212,876.24 and 42,078.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,941.72 : 212,876.24 = 42,078.56 : x
2. Step 2: Convert to fraction form
   141,941.72/212,876.24 = 42,078.56/x
3. Step 3: Cross multiply
   141,941.72x = 212,876.24 × 42,078.56
4. Step 4: Simplify right side
   141,941.72x = 8,957,525,637.41
5. Step 5: Solve for x
   x = 8,957,525,637.41/141,941.72
6. Step 6: Final answer
   x = 63,107.07