Finding the Fourth Proportional to 2,085.96, 2,878.95 and 1,201.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.96 : 2,878.95 = 1,201.59 : x
2. Step 2: Convert to fraction form
   2,085.96/2,878.95 = 1,201.59/x
3. Step 3: Cross multiply
   2,085.96x = 2,878.95 × 1,201.59
4. Step 4: Simplify right side
   2,085.96x = 3,459,317.53
5. Step 5: Solve for x
   x = 3,459,317.53/2,085.96
6. Step 6: Final answer
   x = 1,658.38