Finding the Fourth Proportional to 2,624.47, 3,621.78 and 1,445.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,624.47 : 3,621.78 = 1,445.58 : x
2. Step 2: Convert to fraction form
   2,624.47/3,621.78 = 1,445.58/x
3. Step 3: Cross multiply
   2,624.47x = 3,621.78 × 1,445.58
4. Step 4: Simplify right side
   2,624.47x = 5,235,572.73
5. Step 5: Solve for x
   x = 5,235,572.73/2,624.47
6. Step 6: Final answer
   x = 1,994.91