Finding the Fourth Proportional to 1,779.50, 2,449.90 and 1,546.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779.50 : 2,449.90 = 1,546.54 : x
2. Step 2: Convert to fraction form
   1,779.50/2,449.90 = 1,546.54/x
3. Step 3: Cross multiply
   1,779.50x = 2,449.90 × 1,546.54
4. Step 4: Simplify right side
   1,779.50x = 3,788,868.35
5. Step 5: Solve for x
   x = 3,788,868.35/1,779.50
6. Step 6: Final answer
   x = 2,129.18