Finding the Fourth Proportional to 22,456.07, 30,989.61 and 12,384.93

Step by Step Solution

1. Step 1: Write the proportion equation
   22,456.07 : 30,989.61 = 12,384.93 : x
2. Step 2: Convert to fraction form
   22,456.07/30,989.61 = 12,384.93/x
3. Step 3: Cross multiply
   22,456.07x = 30,989.61 × 12,384.93
4. Step 4: Simplify right side
   22,456.07x = 383,804,150.58
5. Step 5: Solve for x
   x = 383,804,150.58/22,456.07
6. Step 6: Final answer
   x = 17,091.34