Finding the Fourth Proportional to 22,159.88, 30,583.46 and 12,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,159.88 : 30,583.46 = 12,603.50 : x
2. Step 2: Convert to fraction form
   22,159.88/30,583.46 = 12,603.50/x
3. Step 3: Cross multiply
   22,159.88x = 30,583.46 × 12,603.50
4. Step 4: Simplify right side
   22,159.88x = 385,458,422.18
5. Step 5: Solve for x
   x = 385,458,422.18/22,159.88
6. Step 6: Final answer
   x = 17,394.43