Finding the Fourth Proportional to 2,703.15, 4,056.33 and 971.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,703.15 : 4,056.33 = 971.91 : x
2. Step 2: Convert to fraction form
   2,703.15/4,056.33 = 971.91/x
3. Step 3: Cross multiply
   2,703.15x = 4,056.33 × 971.91
4. Step 4: Simplify right side
   2,703.15x = 3,942,387.69
5. Step 5: Solve for x
   x = 3,942,387.69/2,703.15
6. Step 6: Final answer
   x = 1,458.44