Finding the Fourth Proportional to 2,060.27, 3,091.18 and 1,239.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,060.27 : 3,091.18 = 1,239.13 : x
2. Step 2: Convert to fraction form
   2,060.27/3,091.18 = 1,239.13/x
3. Step 3: Cross multiply
   2,060.27x = 3,091.18 × 1,239.13
4. Step 4: Simplify right side
   2,060.27x = 3,830,373.87
5. Step 5: Solve for x
   x = 3,830,373.87/2,060.27
6. Step 6: Final answer
   x = 1,859.16