Finding the Fourth Proportional to 2,917.98, 4,026.72 and 1,591.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.98 : 4,026.72 = 1,591.62 : x
2. Step 2: Convert to fraction form
   2,917.98/4,026.72 = 1,591.62/x
3. Step 3: Cross multiply
   2,917.98x = 4,026.72 × 1,591.62
4. Step 4: Simplify right side
   2,917.98x = 6,409,008.09
5. Step 5: Solve for x
   x = 6,409,008.09/2,917.98
6. Step 6: Final answer
   x = 2,196.39