Finding the Fourth Proportional to 2,788.32, 4,188.96 and 2,412.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.32 : 4,188.96 = 2,412.48 : x
2. Step 2: Convert to fraction form
   2,788.32/4,188.96 = 2,412.48/x
3. Step 3: Cross multiply
   2,788.32x = 4,188.96 × 2,412.48
4. Step 4: Simplify right side
   2,788.32x = 10,105,782.22
5. Step 5: Solve for x
   x = 10,105,782.22/2,788.32
6. Step 6: Final answer
   x = 3,624.33