Finding the Fourth Proportional to 1,512.50, 2,087.25 and 1,047.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,512.50 : 2,087.25 = 1,047.02 : x
2. Step 2: Convert to fraction form
   1,512.50/2,087.25 = 1,047.02/x
3. Step 3: Cross multiply
   1,512.50x = 2,087.25 × 1,047.02
4. Step 4: Simplify right side
   1,512.50x = 2,185,392.50
5. Step 5: Solve for x
   x = 2,185,392.50/1,512.50
6. Step 6: Final answer
   x = 1,444.89