Finding the Fourth Proportional to 1,878.01, 2,813.83 and 1,327.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,878.01 : 2,813.83 = 1,327.50 : x
2. Step 2: Convert to fraction form
   1,878.01/2,813.83 = 1,327.50/x
3. Step 3: Cross multiply
   1,878.01x = 2,813.83 × 1,327.50
4. Step 4: Simplify right side
   1,878.01x = 3,735,358.10
5. Step 5: Solve for x
   x = 3,735,358.10/1,878.01
6. Step 6: Final answer
   x = 1,989.00