Finding the Fourth Proportional to 37,974.52, 52,404.59 and 20,979.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,974.52 : 52,404.59 = 20,979.86 : x
2. Step 2: Convert to fraction form
   37,974.52/52,404.59 = 20,979.86/x
3. Step 3: Cross multiply
   37,974.52x = 52,404.59 × 20,979.86
4. Step 4: Simplify right side
   37,974.52x = 1,099,440,725.65
5. Step 5: Solve for x
   x = 1,099,440,725.65/37,974.52
6. Step 6: Final answer
   x = 28,952.07