Finding the Fourth Proportional to 3,917.32, 5,878.68 and 2,068.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,917.32 : 5,878.68 = 2,068.72 : x
2. Step 2: Convert to fraction form
   3,917.32/5,878.68 = 2,068.72/x
3. Step 3: Cross multiply
   3,917.32x = 5,878.68 × 2,068.72
4. Step 4: Simplify right side
   3,917.32x = 12,161,342.89
5. Step 5: Solve for x
   x = 12,161,342.89/3,917.32
6. Step 6: Final answer
   x = 3,104.51