Finding the Fourth Proportional to 22,448.93, 30,981.38 and 12,379.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,448.93 : 30,981.38 = 12,379.35 : x
2. Step 2: Convert to fraction form
   22,448.93/30,981.38 = 12,379.35/x
3. Step 3: Cross multiply
   22,448.93x = 30,981.38 × 12,379.35
4. Step 4: Simplify right side
   22,448.93x = 383,529,284.61
5. Step 5: Solve for x
   x = 383,529,284.61/22,448.93
6. Step 6: Final answer
   x = 17,084.52