Finding the Fourth Proportional to 37,723.61, 52,059.71 and 20,956.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,723.61 : 52,059.71 = 20,956.25 : x
2. Step 2: Convert to fraction form
   37,723.61/52,059.71 = 20,956.25/x
3. Step 3: Cross multiply
   37,723.61x = 52,059.71 × 20,956.25
4. Step 4: Simplify right side
   37,723.61x = 1,090,976,297.69
5. Step 5: Solve for x
   x = 1,090,976,297.69/37,723.61
6. Step 6: Final answer
   x = 28,920.25