Finding the Fourth Proportional to 2,788.36, 3,847.91 and 1,529.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.36 : 3,847.91 = 1,529.46 : x
2. Step 2: Convert to fraction form
   2,788.36/3,847.91 = 1,529.46/x
3. Step 3: Cross multiply
   2,788.36x = 3,847.91 × 1,529.46
4. Step 4: Simplify right side
   2,788.36x = 5,885,216.78
5. Step 5: Solve for x
   x = 5,885,216.78/2,788.36
6. Step 6: Final answer
   x = 2,110.64