Finding the Fourth Proportional to 42,956.42, 64,419.18 and 14,868.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,956.42 : 64,419.18 = 14,868.86 : x
2. Step 2: Convert to fraction form
   42,956.42/64,419.18 = 14,868.86/x
3. Step 3: Cross multiply
   42,956.42x = 64,419.18 × 14,868.86
4. Step 4: Simplify right side
   42,956.42x = 957,839,390.88
5. Step 5: Solve for x
   x = 957,839,390.88/42,956.42
6. Step 6: Final answer
   x = 22,297.94