Finding the Fourth Proportional to 10,115.82, 15,173.55 and 3,874.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,115.82 : 15,173.55 = 3,874.14 : x
2. Step 2: Convert to fraction form
   10,115.82/15,173.55 = 3,874.14/x
3. Step 3: Cross multiply
   10,115.82x = 15,173.55 × 3,874.14
4. Step 4: Simplify right side
   10,115.82x = 58,784,457.00
5. Step 5: Solve for x
   x = 58,784,457.00/10,115.82
6. Step 6: Final answer
   x = 5,811.14