Finding the Fourth Proportional to 2,406.31, 3,319.77 and 1,411.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,406.31 : 3,319.77 = 1,411.22 : x
2. Step 2: Convert to fraction form
   2,406.31/3,319.77 = 1,411.22/x
3. Step 3: Cross multiply
   2,406.31x = 3,319.77 × 1,411.22
4. Step 4: Simplify right side
   2,406.31x = 4,684,925.82
5. Step 5: Solve for x
   x = 4,684,925.82/2,406.31
6. Step 6: Final answer
   x = 1,946.93