Finding the Fourth Proportional to 1,878.82, 2,592.60 and 1,171.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.82 : 2,592.60 = 1,171.68 : x
2. Step 2: Convert to fraction form
   1,878.82/2,592.60 = 1,171.68/x
3. Step 3: Cross multiply
   1,878.82x = 2,592.60 × 1,171.68
4. Step 4: Simplify right side
   1,878.82x = 3,037,697.57
5. Step 5: Solve for x
   x = 3,037,697.57/1,878.82
6. Step 6: Final answer
   x = 1,616.81