Finding the Fourth Proportional to 2,611.34, 3,914.12 and 1,150.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,611.34 : 3,914.12 = 1,150.28 : x
2. Step 2: Convert to fraction form
   2,611.34/3,914.12 = 1,150.28/x
3. Step 3: Cross multiply
   2,611.34x = 3,914.12 × 1,150.28
4. Step 4: Simplify right side
   2,611.34x = 4,502,333.95
5. Step 5: Solve for x
   x = 4,502,333.95/2,611.34
6. Step 6: Final answer
   x = 1,724.15