Finding the Fourth Proportional to 1,758.61, 2,426.46 and 1,012.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.61 : 2,426.46 = 1,012.50 : x
2. Step 2: Convert to fraction form
   1,758.61/2,426.46 = 1,012.50/x
3. Step 3: Cross multiply
   1,758.61x = 2,426.46 × 1,012.50
4. Step 4: Simplify right side
   1,758.61x = 2,456,786.95
5. Step 5: Solve for x
   x = 2,456,786.95/1,758.61
6. Step 6: Final answer
   x = 1,397.00