Finding the Fourth Proportional to 1,360, 1,877.12 and 800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360 : 1,877.12 = 800.50 : x
2. Step 2: Convert to fraction form
   1,360/1,877.12 = 800.50/x
3. Step 3: Cross multiply
   1,360x = 1,877.12 × 800.50
4. Step 4: Simplify right side
   1,360x = 1,502,634.56
5. Step 5: Solve for x
   x = 1,502,634.56/1,360
6. Step 6: Final answer
   x = 1,104.88