Finding the Fourth Proportional to 2,171.75, 3,253.84 and 1,130.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.75 : 3,253.84 = 1,130.15 : x
2. Step 2: Convert to fraction form
   2,171.75/3,253.84 = 1,130.15/x
3. Step 3: Cross multiply
   2,171.75x = 3,253.84 × 1,130.15
4. Step 4: Simplify right side
   2,171.75x = 3,677,332.59
5. Step 5: Solve for x
   x = 3,677,332.59/2,171.75
6. Step 6: Final answer
   x = 1,693.26