Finding the Fourth Proportional to 1,360.52, 1,877.06 and 836.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.52 : 1,877.06 = 836.36 : x
2. Step 2: Convert to fraction form
   1,360.52/1,877.06 = 836.36/x
3. Step 3: Cross multiply
   1,360.52x = 1,877.06 × 836.36
4. Step 4: Simplify right side
   1,360.52x = 1,569,897.90
5. Step 5: Solve for x
   x = 1,569,897.90/1,360.52
6. Step 6: Final answer
   x = 1,153.90