Finding the Fourth Proportional to 2,645.60, 3,964.91 and 1,476.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.60 : 3,964.91 = 1,476.15 : x
2. Step 2: Convert to fraction form
   2,645.60/3,964.91 = 1,476.15/x
3. Step 3: Cross multiply
   2,645.60x = 3,964.91 × 1,476.15
4. Step 4: Simplify right side
   2,645.60x = 5,852,808.35
5. Step 5: Solve for x
   x = 5,852,808.35/2,645.60
6. Step 6: Final answer
   x = 2,212.28