Finding the Fourth Proportional to 2,642.30, 3,645.18 and 1,522.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.30 : 3,645.18 = 1,522.83 : x
2. Step 2: Convert to fraction form
   2,642.30/3,645.18 = 1,522.83/x
3. Step 3: Cross multiply
   2,642.30x = 3,645.18 × 1,522.83
4. Step 4: Simplify right side
   2,642.30x = 5,550,989.46
5. Step 5: Solve for x
   x = 5,550,989.46/2,642.30
6. Step 6: Final answer
   x = 2,100.82