Finding the Fourth Proportional to 1,580.82, 2,372.22 and 1,092.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,580.82 : 2,372.22 = 1,092.96 : x
2. Step 2: Convert to fraction form
   1,580.82/2,372.22 = 1,092.96/x
3. Step 3: Cross multiply
   1,580.82x = 2,372.22 × 1,092.96
4. Step 4: Simplify right side
   1,580.82x = 2,592,741.57
5. Step 5: Solve for x
   x = 2,592,741.57/1,580.82
6. Step 6: Final answer
   x = 1,640.12