Finding the Fourth Proportional to 2,660.58, 3,670.52 and 1,819.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.58 : 3,670.52 = 1,819.94 : x
2. Step 2: Convert to fraction form
   2,660.58/3,670.52 = 1,819.94/x
3. Step 3: Cross multiply
   2,660.58x = 3,670.52 × 1,819.94
4. Step 4: Simplify right side
   2,660.58x = 6,680,098.72
5. Step 5: Solve for x
   x = 6,680,098.72/2,660.58
6. Step 6: Final answer
   x = 2,510.77