Finding the Fourth Proportional to 3,555.39, 5,333.33 and 1,994.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,555.39 : 5,333.33 = 1,994.22 : x
2. Step 2: Convert to fraction form
   3,555.39/5,333.33 = 1,994.22/x
3. Step 3: Cross multiply
   3,555.39x = 5,333.33 × 1,994.22
4. Step 4: Simplify right side
   3,555.39x = 10,635,823.38
5. Step 5: Solve for x
   x = 10,635,823.38/3,555.39
6. Step 6: Final answer
   x = 2,991.46