Finding the Fourth Proportional to 22,172.64, 30,598.32 and 12,101.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,172.64 : 30,598.32 = 12,101.30 : x
2. Step 2: Convert to fraction form
   22,172.64/30,598.32 = 12,101.30/x
3. Step 3: Cross multiply
   22,172.64x = 30,598.32 × 12,101.30
4. Step 4: Simplify right side
   22,172.64x = 370,279,296.82
5. Step 5: Solve for x
   x = 370,279,296.82/22,172.64
6. Step 6: Final answer
   x = 16,699.83