Finding the Fourth Proportional to 22,366.50, 30,865.83 and 12,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,366.50 : 30,865.83 = 12,430.50 : x
2. Step 2: Convert to fraction form
   22,366.50/30,865.83 = 12,430.50/x
3. Step 3: Cross multiply
   22,366.50x = 30,865.83 × 12,430.50
4. Step 4: Simplify right side
   22,366.50x = 383,677,699.82
5. Step 5: Solve for x
   x = 383,677,699.82/22,366.50
6. Step 6: Final answer
   x = 17,154.12