Finding the Fourth Proportional to 2,068.17, 3,099.74 and 971.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.17 : 3,099.74 = 971.07 : x
2. Step 2: Convert to fraction form
   2,068.17/3,099.74 = 971.07/x
3. Step 3: Cross multiply
   2,068.17x = 3,099.74 × 971.07
4. Step 4: Simplify right side
   2,068.17x = 3,010,059.67
5. Step 5: Solve for x
   x = 3,010,059.67/2,068.17
6. Step 6: Final answer
   x = 1,455.42