Finding the Fourth Proportional to 6,870.65, 10,304.42 and 4,098.11

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.65 : 10,304.42 = 4,098.11 : x
2. Step 2: Convert to fraction form
   6,870.65/10,304.42 = 4,098.11/x
3. Step 3: Cross multiply
   6,870.65x = 10,304.42 × 4,098.11
4. Step 4: Simplify right side
   6,870.65x = 42,228,574.63
5. Step 5: Solve for x
   x = 42,228,574.63/6,870.65
6. Step 6: Final answer
   x = 6,146.23