Finding the Fourth Proportional to 141,944.72, 212,880.74 and 42,081.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,944.72 : 212,880.74 = 42,081.56 : x
2. Step 2: Convert to fraction form
   141,944.72/212,880.74 = 42,081.56/x
3. Step 3: Cross multiply
   141,944.72x = 212,880.74 × 42,081.56
4. Step 4: Simplify right side
   141,944.72x = 8,958,353,633.15
5. Step 5: Solve for x
   x = 8,958,353,633.15/141,944.72
6. Step 6: Final answer
   x = 63,111.57