Finding the Fourth Proportional to 13,384.54, 18,473.24 and 7,722.93

Step by Step Solution

1. Step 1: Write the proportion equation
   13,384.54 : 18,473.24 = 7,722.93 : x
2. Step 2: Convert to fraction form
   13,384.54/18,473.24 = 7,722.93/x
3. Step 3: Cross multiply
   13,384.54x = 18,473.24 × 7,722.93
4. Step 4: Simplify right side
   13,384.54x = 142,667,500.78
5. Step 5: Solve for x
   x = 142,667,500.78/13,384.54
6. Step 6: Final answer
   x = 10,659.13