Finding the Fourth Proportional to 1,395.59, 1,925.82 and 836.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.59 : 1,925.82 = 836.33 : x
2. Step 2: Convert to fraction form
   1,395.59/1,925.82 = 836.33/x
3. Step 3: Cross multiply
   1,395.59x = 1,925.82 × 836.33
4. Step 4: Simplify right side
   1,395.59x = 1,610,611.41
5. Step 5: Solve for x
   x = 1,610,611.41/1,395.59
6. Step 6: Final answer
   x = 1,154.08