Finding the Fourth Proportional to 2,842.31, 3,922.32 and 1,583.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,842.31 : 3,922.32 = 1,583.37 : x
2. Step 2: Convert to fraction form
   2,842.31/3,922.32 = 1,583.37/x
3. Step 3: Cross multiply
   2,842.31x = 3,922.32 × 1,583.37
4. Step 4: Simplify right side
   2,842.31x = 6,210,483.82
5. Step 5: Solve for x
   x = 6,210,483.82/2,842.31
6. Step 6: Final answer
   x = 2,185.01