Finding the Fourth Proportional to 10,111.89, 15,167.37 and 3,874.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111.89 : 15,167.37 = 3,874.83 : x
2. Step 2: Convert to fraction form
   10,111.89/15,167.37 = 3,874.83/x
3. Step 3: Cross multiply
   10,111.89x = 15,167.37 × 3,874.83
4. Step 4: Simplify right side
   10,111.89x = 58,770,980.30
5. Step 5: Solve for x
   x = 58,770,980.30/10,111.89
6. Step 6: Final answer
   x = 5,812.07