Finding the Fourth Proportional to 37,081.80, 51,176.55 and 21,168.65

Step by Step Solution

1. Step 1: Write the proportion equation
   37,081.80 : 51,176.55 = 21,168.65 : x
2. Step 2: Convert to fraction form
   37,081.80/51,176.55 = 21,168.65/x
3. Step 3: Cross multiply
   37,081.80x = 51,176.55 × 21,168.65
4. Step 4: Simplify right side
   37,081.80x = 1,083,338,219.27
5. Step 5: Solve for x
   x = 1,083,338,219.27/37,081.80
6. Step 6: Final answer
   x = 29,214.82