Finding the Fourth Proportional to 22,353.81, 30,846.72 and 13,396.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,353.81 : 30,846.72 = 13,396.83 : x
2. Step 2: Convert to fraction form
   22,353.81/30,846.72 = 13,396.83/x
3. Step 3: Cross multiply
   22,353.81x = 30,846.72 × 13,396.83
4. Step 4: Simplify right side
   22,353.81x = 413,248,263.90
5. Step 5: Solve for x
   x = 413,248,263.90/22,353.81
6. Step 6: Final answer
   x = 18,486.70