Finding the Fourth Proportional to 1,271.51, 1,755.89 and 1,202.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,271.51 : 1,755.89 = 1,202.48 : x
2. Step 2: Convert to fraction form
   1,271.51/1,755.89 = 1,202.48/x
3. Step 3: Cross multiply
   1,271.51x = 1,755.89 × 1,202.48
4. Step 4: Simplify right side
   1,271.51x = 2,111,422.61
5. Step 5: Solve for x
   x = 2,111,422.61/1,271.51
6. Step 6: Final answer
   x = 1,660.56