Finding the Fourth Proportional to 6,890.76, 10,334.31 and 2,994.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,890.76 : 10,334.31 = 2,994.25 : x
2. Step 2: Convert to fraction form
   6,890.76/10,334.31 = 2,994.25/x
3. Step 3: Cross multiply
   6,890.76x = 10,334.31 × 2,994.25
4. Step 4: Simplify right side
   6,890.76x = 30,943,507.72
5. Step 5: Solve for x
   x = 30,943,507.72/6,890.76
6. Step 6: Final answer
   x = 4,490.58