Finding the Fourth Proportional to 10,923.23, 16,357.05 and 7,219.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,923.23 : 16,357.05 = 7,219.91 : x
2. Step 2: Convert to fraction form
   10,923.23/16,357.05 = 7,219.91/x
3. Step 3: Cross multiply
   10,923.23x = 16,357.05 × 7,219.91
4. Step 4: Simplify right side
   10,923.23x = 118,096,469.76
5. Step 5: Solve for x
   x = 118,096,469.76/10,923.23
6. Step 6: Final answer
   x = 10,811.49