Finding the Fourth Proportional to 22,059.14, 30,440.01 and 12,499.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,059.14 : 30,440.01 = 12,499.21 : x
2. Step 2: Convert to fraction form
   22,059.14/30,440.01 = 12,499.21/x
3. Step 3: Cross multiply
   22,059.14x = 30,440.01 × 12,499.21
4. Step 4: Simplify right side
   22,059.14x = 380,476,212.77
5. Step 5: Solve for x
   x = 380,476,212.77/22,059.14
6. Step 6: Final answer
   x = 17,248.01