Finding the Fourth Proportional to 2,706.86, 4,057.81 and 975.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,706.86 : 4,057.81 = 975.06 : x
2. Step 2: Convert to fraction form
   2,706.86/4,057.81 = 975.06/x
3. Step 3: Cross multiply
   2,706.86x = 4,057.81 × 975.06
4. Step 4: Simplify right side
   2,706.86x = 3,956,608.22
5. Step 5: Solve for x
   x = 3,956,608.22/2,706.86
6. Step 6: Final answer
   x = 1,461.70