Finding the Fourth Proportional to 20,003.00, 27,603.63 and 13,188.69

Step by Step Solution

1. Step 1: Write the proportion equation
   20,003.00 : 27,603.63 = 13,188.69 : x
2. Step 2: Convert to fraction form
   20,003.00/27,603.63 = 13,188.69/x
3. Step 3: Cross multiply
   20,003.00x = 27,603.63 × 13,188.69
4. Step 4: Simplify right side
   20,003.00x = 364,055,718.94
5. Step 5: Solve for x
   x = 364,055,718.94/20,003.00
6. Step 6: Final answer
   x = 18,200.06