Finding the Fourth Proportional to 6,870.56, 9,474.71 and 4,742.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.56 : 9,474.71 = 4,742.69 : x
2. Step 2: Convert to fraction form
   6,870.56/9,474.71 = 4,742.69/x
3. Step 3: Cross multiply
   6,870.56x = 9,474.71 × 4,742.69
4. Step 4: Simplify right side
   6,870.56x = 44,935,541.28
5. Step 5: Solve for x
   x = 44,935,541.28/6,870.56
6. Step 6: Final answer
   x = 6,540.31