Finding the Fourth Proportional to 3,715.32, 5,565.78 and 2,066.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715.32 : 5,565.78 = 2,066.88 : x
2. Step 2: Convert to fraction form
   3,715.32/5,565.78 = 2,066.88/x
3. Step 3: Cross multiply
   3,715.32x = 5,565.78 × 2,066.88
4. Step 4: Simplify right side
   3,715.32x = 11,503,799.37
5. Step 5: Solve for x
   x = 11,503,799.37/3,715.32
6. Step 6: Final answer
   x = 3,096.31