Finding the Fourth Proportional to 6,234.89, 8,603.16 and 4,979.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,234.89 : 8,603.16 = 4,979.39 : x
2. Step 2: Convert to fraction form
   6,234.89/8,603.16 = 4,979.39/x
3. Step 3: Cross multiply
   6,234.89x = 8,603.16 × 4,979.39
4. Step 4: Simplify right side
   6,234.89x = 42,838,488.87
5. Step 5: Solve for x
   x = 42,838,488.87/6,234.89
6. Step 6: Final answer
   x = 6,870.77