Finding the Fourth Proportional to 36,926.28, 50,947.25 and 21,820.32

Step by Step Solution

1. Step 1: Write the proportion equation
   36,926.28 : 50,947.25 = 21,820.32 : x
2. Step 2: Convert to fraction form
   36,926.28/50,947.25 = 21,820.32/x
3. Step 3: Cross multiply
   36,926.28x = 50,947.25 × 21,820.32
4. Step 4: Simplify right side
   36,926.28x = 1,111,685,189.02
5. Step 5: Solve for x
   x = 1,111,685,189.02/36,926.28
6. Step 6: Final answer
   x = 30,105.53