Finding the Fourth Proportional to 32,973.28, 49,439.98 and 12,958.82

Step by Step Solution

1. Step 1: Write the proportion equation
   32,973.28 : 49,439.98 = 12,958.82 : x
2. Step 2: Convert to fraction form
   32,973.28/49,439.98 = 12,958.82/x
3. Step 3: Cross multiply
   32,973.28x = 49,439.98 × 12,958.82
4. Step 4: Simplify right side
   32,973.28x = 640,683,801.62
5. Step 5: Solve for x
   x = 640,683,801.62/32,973.28
6. Step 6: Final answer
   x = 19,430.39