Finding the Fourth Proportional to 2,091.58, 2,886.54 and 1,160.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.58 : 2,886.54 = 1,160.08 : x
2. Step 2: Convert to fraction form
   2,091.58/2,886.54 = 1,160.08/x
3. Step 3: Cross multiply
   2,091.58x = 2,886.54 × 1,160.08
4. Step 4: Simplify right side
   2,091.58x = 3,348,617.32
5. Step 5: Solve for x
   x = 3,348,617.32/2,091.58
6. Step 6: Final answer
   x = 1,601.00