Finding the Fourth Proportional to 2,870.52, 3,964.09 and 2,473.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.52 : 3,964.09 = 2,473.82 : x
2. Step 2: Convert to fraction form
   2,870.52/3,964.09 = 2,473.82/x
3. Step 3: Cross multiply
   2,870.52x = 3,964.09 × 2,473.82
4. Step 4: Simplify right side
   2,870.52x = 9,806,438.62
5. Step 5: Solve for x
   x = 9,806,438.62/2,870.52
6. Step 6: Final answer
   x = 3,416.26