Finding the Fourth Proportional to 22,048.60, 30,426.54 and 12,616.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,048.60 : 30,426.54 = 12,616.56 : x
2. Step 2: Convert to fraction form
   22,048.60/30,426.54 = 12,616.56/x
3. Step 3: Cross multiply
   22,048.60x = 30,426.54 × 12,616.56
4. Step 4: Simplify right side
   22,048.60x = 383,878,267.50
5. Step 5: Solve for x
   x = 383,878,267.50/22,048.60
6. Step 6: Final answer
   x = 17,410.55