Finding the Fourth Proportional to 1,085.58, 1,495.05 and 836.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.58 : 1,495.05 = 836.46 : x
2. Step 2: Convert to fraction form
   1,085.58/1,495.05 = 836.46/x
3. Step 3: Cross multiply
   1,085.58x = 1,495.05 × 836.46
4. Step 4: Simplify right side
   1,085.58x = 1,250,549.52
5. Step 5: Solve for x
   x = 1,250,549.52/1,085.58
6. Step 6: Final answer
   x = 1,151.96