Finding the Fourth Proportional to 1,363.78, 1,881 and 1,068.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,363.78 : 1,881 = 1,068.46 : x
2. Step 2: Convert to fraction form
   1,363.78/1,881 = 1,068.46/x
3. Step 3: Cross multiply
   1,363.78x = 1,881 × 1,068.46
4. Step 4: Simplify right side
   1,363.78x = 2,009,773.26
5. Step 5: Solve for x
   x = 2,009,773.26/1,363.78
6. Step 6: Final answer
   x = 1,473.68