Finding the Fourth Proportional to 2,073.32, 3,116.12 and 1,920.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.32 : 3,116.12 = 1,920.54 : x
2. Step 2: Convert to fraction form
   2,073.32/3,116.12 = 1,920.54/x
3. Step 3: Cross multiply
   2,073.32x = 3,116.12 × 1,920.54
4. Step 4: Simplify right side
   2,073.32x = 5,984,623.50
5. Step 5: Solve for x
   x = 5,984,623.50/2,073.32
6. Step 6: Final answer
   x = 2,886.50