Finding the Fourth Proportional to 1,361.17, 1,878.25 and 801.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361.17 : 1,878.25 = 801.52 : x
2. Step 2: Convert to fraction form
   1,361.17/1,878.25 = 801.52/x
3. Step 3: Cross multiply
   1,361.17x = 1,878.25 × 801.52
4. Step 4: Simplify right side
   1,361.17x = 1,505,445.55
5. Step 5: Solve for x
   x = 1,505,445.55/1,361.17
6. Step 6: Final answer
   x = 1,105.99