Finding the Fourth Proportional to 67,944.72, 101,863.44 and 42,931.98

Step by Step Solution

1. Step 1: Write the proportion equation
   67,944.72 : 101,863.44 = 42,931.98 : x
2. Step 2: Convert to fraction form
   67,944.72/101,863.44 = 42,931.98/x
3. Step 3: Cross multiply
   67,944.72x = 101,863.44 × 42,931.98
4. Step 4: Simplify right side
   67,944.72x = 4,373,199,168.81
5. Step 5: Solve for x
   x = 4,373,199,168.81/67,944.72
6. Step 6: Final answer
   x = 64,364.08