Finding the Fourth Proportional to 6,230.78, 9,300.55 and 5,492.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,230.78 : 9,300.55 = 5,492.69 : x
2. Step 2: Convert to fraction form
   6,230.78/9,300.55 = 5,492.69/x
3. Step 3: Cross multiply
   6,230.78x = 9,300.55 × 5,492.69
4. Step 4: Simplify right side
   6,230.78x = 51,085,037.98
5. Step 5: Solve for x
   x = 51,085,037.98/6,230.78
6. Step 6: Final answer
   x = 8,198.82