Finding the Fourth Proportional to 22,370.07, 30,870.82 and 12,298.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,370.07 : 30,870.82 = 12,298.33 : x
2. Step 2: Convert to fraction form
   22,370.07/30,870.82 = 12,298.33/x
3. Step 3: Cross multiply
   22,370.07x = 30,870.82 × 12,298.33
4. Step 4: Simplify right side
   22,370.07x = 379,659,585.69
5. Step 5: Solve for x
   x = 379,659,585.69/22,370.07
6. Step 6: Final answer
   x = 16,971.76