Finding the Fourth Proportional to 2,076.39, 3,115.50 and 1,102.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.39 : 3,115.50 = 1,102.25 : x
2. Step 2: Convert to fraction form
   2,076.39/3,115.50 = 1,102.25/x
3. Step 3: Cross multiply
   2,076.39x = 3,115.50 × 1,102.25
4. Step 4: Simplify right side
   2,076.39x = 3,434,059.88
5. Step 5: Solve for x
   x = 3,434,059.88/2,076.39
6. Step 6: Final answer
   x = 1,653.86