Finding the Fourth Proportional to 42,400.32, 63,479.52 and 33,648

Step by Step Solution

1. Step 1: Write the proportion equation
   42,400.32 : 63,479.52 = 33,648 : x
2. Step 2: Convert to fraction form
   42,400.32/63,479.52 = 33,648/x
3. Step 3: Cross multiply
   42,400.32x = 63,479.52 × 33,648
4. Step 4: Simplify right side
   42,400.32x = 2,135,958,888.96
5. Step 5: Solve for x
   x = 2,135,958,888.96/42,400.32
6. Step 6: Final answer
   x = 50,376.01