Finding the Fourth Proportional to 1,253.37, 1,870.17 and 1,156.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253.37 : 1,870.17 = 1,156.44 : x
2. Step 2: Convert to fraction form
   1,253.37/1,870.17 = 1,156.44/x
3. Step 3: Cross multiply
   1,253.37x = 1,870.17 × 1,156.44
4. Step 4: Simplify right side
   1,253.37x = 2,162,739.39
5. Step 5: Solve for x
   x = 2,162,739.39/1,253.37
6. Step 6: Final answer
   x = 1,725.54