Finding the Fourth Proportional to 8,330.83, 12,495.78 and 2,783.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,330.83 : 12,495.78 = 2,783.59 : x
2. Step 2: Convert to fraction form
   8,330.83/12,495.78 = 2,783.59/x
3. Step 3: Cross multiply
   8,330.83x = 12,495.78 × 2,783.59
4. Step 4: Simplify right side
   8,330.83x = 34,783,128.25
5. Step 5: Solve for x
   x = 34,783,128.25/8,330.83
6. Step 6: Final answer
   x = 4,175.23