Finding the Fourth Proportional to 37,979.57, 52,410.71 and 20,983.48

Step by Step Solution

1. Step 1: Write the proportion equation
   37,979.57 : 52,410.71 = 20,983.48 : x
2. Step 2: Convert to fraction form
   37,979.57/52,410.71 = 20,983.48/x
3. Step 3: Cross multiply
   37,979.57x = 52,410.71 × 20,983.48
4. Step 4: Simplify right side
   37,979.57x = 1,099,759,006.50
5. Step 5: Solve for x
   x = 1,099,759,006.50/37,979.57
6. Step 6: Final answer
   x = 28,956.59