Finding the Fourth Proportional to 8,693.49, 12,004.83 and 5,555.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,693.49 : 12,004.83 = 5,555.15 : x
2. Step 2: Convert to fraction form
   8,693.49/12,004.83 = 5,555.15/x
3. Step 3: Cross multiply
   8,693.49x = 12,004.83 × 5,555.15
4. Step 4: Simplify right side
   8,693.49x = 66,688,631.37
5. Step 5: Solve for x
   x = 66,688,631.37/8,693.49
6. Step 6: Final answer
   x = 7,671.10