Finding the Fourth Proportional to 2,071.62, 3,107.22 and 1,612.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.62 : 3,107.22 = 1,612.32 : x
2. Step 2: Convert to fraction form
   2,071.62/3,107.22 = 1,612.32/x
3. Step 3: Cross multiply
   2,071.62x = 3,107.22 × 1,612.32
4. Step 4: Simplify right side
   2,071.62x = 5,009,832.95
5. Step 5: Solve for x
   x = 5,009,832.95/2,071.62
6. Step 6: Final answer
   x = 2,418.32