Finding the Fourth Proportional to 1,364.82, 1,883.18 and 840.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.82 : 1,883.18 = 840.76 : x
2. Step 2: Convert to fraction form
   1,364.82/1,883.18 = 840.76/x
3. Step 3: Cross multiply
   1,364.82x = 1,883.18 × 840.76
4. Step 4: Simplify right side
   1,364.82x = 1,583,302.42
5. Step 5: Solve for x
   x = 1,583,302.42/1,364.82
6. Step 6: Final answer
   x = 1,160.08