Finding the Fourth Proportional to 42,675.63, 64,019.52 and 22,679.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,675.63 : 64,019.52 = 22,679.91 : x
2. Step 2: Convert to fraction form
   42,675.63/64,019.52 = 22,679.91/x
3. Step 3: Cross multiply
   42,675.63x = 64,019.52 × 22,679.91
4. Step 4: Simplify right side
   42,675.63x = 1,451,956,951.84
5. Step 5: Solve for x
   x = 1,451,956,951.84/42,675.63
6. Step 6: Final answer
   x = 34,023.09