Finding the Fourth Proportional to 2,071.80, 3,108.42 and 1,924.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.80 : 3,108.42 = 1,924.92 : x
2. Step 2: Convert to fraction form
   2,071.80/3,108.42 = 1,924.92/x
3. Step 3: Cross multiply
   2,071.80x = 3,108.42 × 1,924.92
4. Step 4: Simplify right side
   2,071.80x = 5,983,459.83
5. Step 5: Solve for x
   x = 5,983,459.83/2,071.80
6. Step 6: Final answer
   x = 2,888.05