Finding the Fourth Proportional to 1,871.91, 2,579.79 and 1,500.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.91 : 2,579.79 = 1,500.12 : x
2. Step 2: Convert to fraction form
   1,871.91/2,579.79 = 1,500.12/x
3. Step 3: Cross multiply
   1,871.91x = 2,579.79 × 1,500.12
4. Step 4: Simplify right side
   1,871.91x = 3,869,994.57
5. Step 5: Solve for x
   x = 3,869,994.57/1,871.91
6. Step 6: Final answer
   x = 2,067.40