Finding the Fourth Proportional to 6,870.06, 10,304.16 and 2,921.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.06 : 10,304.16 = 2,921.82 : x
2. Step 2: Convert to fraction form
   6,870.06/10,304.16 = 2,921.82/x
3. Step 3: Cross multiply
   6,870.06x = 10,304.16 × 2,921.82
4. Step 4: Simplify right side
   6,870.06x = 30,106,900.77
5. Step 5: Solve for x
   x = 30,106,900.77/6,870.06
6. Step 6: Final answer
   x = 4,382.33