Finding the Fourth Proportional to 2,515.34, 3,771.27 and 1,109.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.34 : 3,771.27 = 1,109.07 : x
2. Step 2: Convert to fraction form
   2,515.34/3,771.27 = 1,109.07/x
3. Step 3: Cross multiply
   2,515.34x = 3,771.27 × 1,109.07
4. Step 4: Simplify right side
   2,515.34x = 4,182,602.42
5. Step 5: Solve for x
   x = 4,182,602.42/2,515.34
6. Step 6: Final answer
   x = 1,662.84