Finding the Fourth Proportional to 1,359.42, 1,875.98 and 800.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.42 : 1,875.98 = 800.22 : x
2. Step 2: Convert to fraction form
   1,359.42/1,875.98 = 800.22/x
3. Step 3: Cross multiply
   1,359.42x = 1,875.98 × 800.22
4. Step 4: Simplify right side
   1,359.42x = 1,501,196.72
5. Step 5: Solve for x
   x = 1,501,196.72/1,359.42
6. Step 6: Final answer
   x = 1,104.29