Finding the Fourth Proportional to 1,923.58, 2,654.94 and 1,259.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,923.58 : 2,654.94 = 1,259.20 : x
2. Step 2: Convert to fraction form
   1,923.58/2,654.94 = 1,259.20/x
3. Step 3: Cross multiply
   1,923.58x = 2,654.94 × 1,259.20
4. Step 4: Simplify right side
   1,923.58x = 3,343,100.45
5. Step 5: Solve for x
   x = 3,343,100.45/1,923.58
6. Step 6: Final answer
   x = 1,737.96