Finding the Fourth Proportional to 2,068.42, 3,103.13 and 971.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.42 : 3,103.13 = 971.51 : x
2. Step 2: Convert to fraction form
   2,068.42/3,103.13 = 971.51/x
3. Step 3: Cross multiply
   2,068.42x = 3,103.13 × 971.51
4. Step 4: Simplify right side
   2,068.42x = 3,014,708.74
5. Step 5: Solve for x
   x = 3,014,708.74/2,068.42
6. Step 6: Final answer
   x = 1,457.50