Finding the Fourth Proportional to 37,929.69, 52,343.55 and 20,934.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,929.69 : 52,343.55 = 20,934.72 : x
2. Step 2: Convert to fraction form
   37,929.69/52,343.55 = 20,934.72/x
3. Step 3: Cross multiply
   37,929.69x = 52,343.55 × 20,934.72
4. Step 4: Simplify right side
   37,929.69x = 1,095,797,563.06
5. Step 5: Solve for x
   x = 1,095,797,563.06/37,929.69
6. Step 6: Final answer
   x = 28,890.23