Finding the Fourth Proportional to 2,093.18, 2,887.76 and 1,208.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.18 : 2,887.76 = 1,208.81 : x
2. Step 2: Convert to fraction form
   2,093.18/2,887.76 = 1,208.81/x
3. Step 3: Cross multiply
   2,093.18x = 2,887.76 × 1,208.81
4. Step 4: Simplify right side
   2,093.18x = 3,490,753.17
5. Step 5: Solve for x
   x = 3,490,753.17/2,093.18
6. Step 6: Final answer
   x = 1,667.68