Finding the Fourth Proportional to 12,003.56, 17,999.59 and 5,673.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.56 : 17,999.59 = 5,673.17 : x
2. Step 2: Convert to fraction form
   12,003.56/17,999.59 = 5,673.17/x
3. Step 3: Cross multiply
   12,003.56x = 17,999.59 × 5,673.17
4. Step 4: Simplify right side
   12,003.56x = 102,114,764.82
5. Step 5: Solve for x
   x = 102,114,764.82/12,003.56
6. Step 6: Final answer
   x = 8,507.04