Finding the Fourth Proportional to 1,359.20, 1,875.56 and 835.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.20 : 1,875.56 = 835.22 : x
2. Step 2: Convert to fraction form
   1,359.20/1,875.56 = 835.22/x
3. Step 3: Cross multiply
   1,359.20x = 1,875.56 × 835.22
4. Step 4: Simplify right side
   1,359.20x = 1,566,491.67
5. Step 5: Solve for x
   x = 1,566,491.67/1,359.20
6. Step 6: Final answer
   x = 1,152.51