Finding the Fourth Proportional to 6,889.32, 10,339.18 and 5,045.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,889.32 : 10,339.18 = 5,045.15 : x
2. Step 2: Convert to fraction form
   6,889.32/10,339.18 = 5,045.15/x
3. Step 3: Cross multiply
   6,889.32x = 10,339.18 × 5,045.15
4. Step 4: Simplify right side
   6,889.32x = 52,162,727.21
5. Step 5: Solve for x
   x = 52,162,727.21/6,889.32
6. Step 6: Final answer
   x = 7,571.53