Finding the Fourth Proportional to 22,309.86, 30,787.32 and 12,100.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,309.86 : 30,787.32 = 12,100.71 : x
2. Step 2: Convert to fraction form
   22,309.86/30,787.32 = 12,100.71/x
3. Step 3: Cross multiply
   22,309.86x = 30,787.32 × 12,100.71
4. Step 4: Simplify right side
   22,309.86x = 372,548,431.00
5. Step 5: Solve for x
   x = 372,548,431.00/22,309.86
6. Step 6: Final answer
   x = 16,698.82