Finding the Fourth Proportional to 2,706.93, 4,061.61 and 1,247.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706.93 : 4,061.61 = 1,247.18 : x
2. Step 2: Convert to fraction form
   2,706.93/4,061.61 = 1,247.18/x
3. Step 3: Cross multiply
   2,706.93x = 4,061.61 × 1,247.18
4. Step 4: Simplify right side
   2,706.93x = 5,065,538.45
5. Step 5: Solve for x
   x = 5,065,538.45/2,706.93
6. Step 6: Final answer
   x = 1,871.32