Finding the Fourth Proportional to 1,360.54, 1,876.59 and 836.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.54 : 1,876.59 = 836.86 : x
2. Step 2: Convert to fraction form
   1,360.54/1,876.59 = 836.86/x
3. Step 3: Cross multiply
   1,360.54x = 1,876.59 × 836.86
4. Step 4: Simplify right side
   1,360.54x = 1,570,443.11
5. Step 5: Solve for x
   x = 1,570,443.11/1,360.54
6. Step 6: Final answer
   x = 1,154.28