Finding the Fourth Proportional to 1,985.52, 2,739.23 and 1,277.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.52 : 2,739.23 = 1,277.25 : x
2. Step 2: Convert to fraction form
   1,985.52/2,739.23 = 1,277.25/x
3. Step 3: Cross multiply
   1,985.52x = 2,739.23 × 1,277.25
4. Step 4: Simplify right side
   1,985.52x = 3,498,676.83
5. Step 5: Solve for x
   x = 3,498,676.83/1,985.52
6. Step 6: Final answer
   x = 1,762.09