Finding the Fourth Proportional to 2,659.34, 3,987.51 and 1,273.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.34 : 3,987.51 = 1,273.01 : x
2. Step 2: Convert to fraction form
   2,659.34/3,987.51 = 1,273.01/x
3. Step 3: Cross multiply
   2,659.34x = 3,987.51 × 1,273.01
4. Step 4: Simplify right side
   2,659.34x = 5,076,140.11
5. Step 5: Solve for x
   x = 5,076,140.11/2,659.34
6. Step 6: Final answer
   x = 1,908.80