Finding the Fourth Proportional to 1,554.80, 2,147.72 and 1,444.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.80 : 2,147.72 = 1,444.08 : x
2. Step 2: Convert to fraction form
   1,554.80/2,147.72 = 1,444.08/x
3. Step 3: Cross multiply
   1,554.80x = 2,147.72 × 1,444.08
4. Step 4: Simplify right side
   1,554.80x = 3,101,479.50
5. Step 5: Solve for x
   x = 3,101,479.50/1,554.80
6. Step 6: Final answer
   x = 1,994.78