Finding the Fourth Proportional to 22,370.22, 30,870.28 and 12,298.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,370.22 : 30,870.28 = 12,298.68 : x
2. Step 2: Convert to fraction form
   22,370.22/30,870.28 = 12,298.68/x
3. Step 3: Cross multiply
   22,370.22x = 30,870.28 × 12,298.68
4. Step 4: Simplify right side
   22,370.22x = 379,663,695.23
5. Step 5: Solve for x
   x = 379,663,695.23/22,370.22
6. Step 6: Final answer
   x = 16,971.84