Finding the Fourth Proportional to 2,085.52, 2,878.02 and 1,154

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.52 : 2,878.02 = 1,154 : x
2. Step 2: Convert to fraction form
   2,085.52/2,878.02 = 1,154/x
3. Step 3: Cross multiply
   2,085.52x = 2,878.02 × 1,154
4. Step 4: Simplify right side
   2,085.52x = 3,321,235.08
5. Step 5: Solve for x
   x = 3,321,235.08/2,085.52
6. Step 6: Final answer
   x = 1,592.52