Finding the Fourth Proportional to 1,731.24, 2,598.15 and 1,270.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.24 : 2,598.15 = 1,270.21 : x
2. Step 2: Convert to fraction form
   1,731.24/2,598.15 = 1,270.21/x
3. Step 3: Cross multiply
   1,731.24x = 2,598.15 × 1,270.21
4. Step 4: Simplify right side
   1,731.24x = 3,300,196.11
5. Step 5: Solve for x
   x = 3,300,196.11/1,731.24
6. Step 6: Final answer
   x = 1,906.26