Finding the Fourth Proportional to 2,788.32, 3,847.91 and 1,529.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.32 : 3,847.91 = 1,529.40 : x
2. Step 2: Convert to fraction form
   2,788.32/3,847.91 = 1,529.40/x
3. Step 3: Cross multiply
   2,788.32x = 3,847.91 × 1,529.40
4. Step 4: Simplify right side
   2,788.32x = 5,884,993.55
5. Step 5: Solve for x
   x = 5,884,993.55/2,788.32
6. Step 6: Final answer
   x = 2,110.59