Finding the Fourth Proportional to 1,939.54, 2,675.34 and 1,153

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939.54 : 2,675.34 = 1,153 : x
2. Step 2: Convert to fraction form
   1,939.54/2,675.34 = 1,153/x
3. Step 3: Cross multiply
   1,939.54x = 2,675.34 × 1,153
4. Step 4: Simplify right side
   1,939.54x = 3,084,667.02
5. Step 5: Solve for x
   x = 3,084,667.02/1,939.54
6. Step 6: Final answer
   x = 1,590.41