Finding the Fourth Proportional to 10,105.90, 15,157.73 and 2,711.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,105.90 : 15,157.73 = 2,711.09 : x
2. Step 2: Convert to fraction form
   10,105.90/15,157.73 = 2,711.09/x
3. Step 3: Cross multiply
   10,105.90x = 15,157.73 × 2,711.09
4. Step 4: Simplify right side
   10,105.90x = 41,094,014.90
5. Step 5: Solve for x
   x = 41,094,014.90/10,105.90
6. Step 6: Final answer
   x = 4,066.34