Finding the Fourth Proportional to 1,887.57, 2,827.22 and 1,338.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887.57 : 2,827.22 = 1,338.08 : x
2. Step 2: Convert to fraction form
   1,887.57/2,827.22 = 1,338.08/x
3. Step 3: Cross multiply
   1,887.57x = 2,827.22 × 1,338.08
4. Step 4: Simplify right side
   1,887.57x = 3,783,025.71
5. Step 5: Solve for x
   x = 3,783,025.71/1,887.57
6. Step 6: Final answer
   x = 2,004.18