Finding the Fourth Proportional to 1,092.47, 1,625.83 and 1,081.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.47 : 1,625.83 = 1,081.53 : x
2. Step 2: Convert to fraction form
   1,092.47/1,625.83 = 1,081.53/x
3. Step 3: Cross multiply
   1,092.47x = 1,625.83 × 1,081.53
4. Step 4: Simplify right side
   1,092.47x = 1,758,381.22
5. Step 5: Solve for x
   x = 1,758,381.22/1,092.47
6. Step 6: Final answer
   x = 1,609.55