Finding the Fourth Proportional to 2,112.58, 2,915.73 and 1,758.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.58 : 2,915.73 = 1,758.03 : x
2. Step 2: Convert to fraction form
   2,112.58/2,915.73 = 1,758.03/x
3. Step 3: Cross multiply
   2,112.58x = 2,915.73 × 1,758.03
4. Step 4: Simplify right side
   2,112.58x = 5,125,945.50
5. Step 5: Solve for x
   x = 5,125,945.50/2,112.58
6. Step 6: Final answer
   x = 2,426.39