Finding the Fourth Proportional to 7,815.83, 10,774.72 and 4,829.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,815.83 : 10,774.72 = 4,829.96 : x
2. Step 2: Convert to fraction form
   7,815.83/10,774.72 = 4,829.96/x
3. Step 3: Cross multiply
   7,815.83x = 10,774.72 × 4,829.96
4. Step 4: Simplify right side
   7,815.83x = 52,041,499.59
5. Step 5: Solve for x
   x = 52,041,499.59/7,815.83
6. Step 6: Final answer
   x = 6,658.48