Finding the Fourth Proportional to 1,359.54, 1,875.21 and 835.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.54 : 1,875.21 = 835.86 : x
2. Step 2: Convert to fraction form
   1,359.54/1,875.21 = 835.86/x
3. Step 3: Cross multiply
   1,359.54x = 1,875.21 × 835.86
4. Step 4: Simplify right side
   1,359.54x = 1,567,413.03
5. Step 5: Solve for x
   x = 1,567,413.03/1,359.54
6. Step 6: Final answer
   x = 1,152.90