Finding the Fourth Proportional to 1,994.50, 2,748.82 and 1,622.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.50 : 2,748.82 = 1,622.71 : x
2. Step 2: Convert to fraction form
   1,994.50/2,748.82 = 1,622.71/x
3. Step 3: Cross multiply
   1,994.50x = 2,748.82 × 1,622.71
4. Step 4: Simplify right side
   1,994.50x = 4,460,515.84
5. Step 5: Solve for x
   x = 4,460,515.84/1,994.50
6. Step 6: Final answer
   x = 2,236.41