Finding the Fourth Proportional to 37,081.16, 51,175.62 and 21,167.90

Step by Step Solution

1. Step 1: Write the proportion equation
   37,081.16 : 51,175.62 = 21,167.90 : x
2. Step 2: Convert to fraction form
   37,081.16/51,175.62 = 21,167.90/x
3. Step 3: Cross multiply
   37,081.16x = 51,175.62 × 21,167.90
4. Step 4: Simplify right side
   37,081.16x = 1,083,280,150.72
5. Step 5: Solve for x
   x = 1,083,280,150.72/37,081.16
6. Step 6: Final answer
   x = 29,213.77