Finding the Fourth Proportional to 2,068.93, 3,102.18 and 971.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.93 : 3,102.18 = 971.79 : x
2. Step 2: Convert to fraction form
   2,068.93/3,102.18 = 971.79/x
3. Step 3: Cross multiply
   2,068.93x = 3,102.18 × 971.79
4. Step 4: Simplify right side
   2,068.93x = 3,014,667.50
5. Step 5: Solve for x
   x = 3,014,667.50/2,068.93
6. Step 6: Final answer
   x = 1,457.11