Finding the Fourth Proportional to 1,991.58, 2,746.89 and 1,204.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,991.58 : 2,746.89 = 1,204.62 : x
2. Step 2: Convert to fraction form
   1,991.58/2,746.89 = 1,204.62/x
3. Step 3: Cross multiply
   1,991.58x = 2,746.89 × 1,204.62
4. Step 4: Simplify right side
   1,991.58x = 3,308,958.63
5. Step 5: Solve for x
   x = 3,308,958.63/1,991.58
6. Step 6: Final answer
   x = 1,661.47