Finding the Fourth Proportional to 22,309.50, 30,787.47 and 12,373.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,309.50 : 30,787.47 = 12,373.50 : x
2. Step 2: Convert to fraction form
   22,309.50/30,787.47 = 12,373.50/x
3. Step 3: Cross multiply
   22,309.50x = 30,787.47 × 12,373.50
4. Step 4: Simplify right side
   22,309.50x = 380,948,760.05
5. Step 5: Solve for x
   x = 380,948,760.05/22,309.50
6. Step 6: Final answer
   x = 17,075.63