Finding the Fourth Proportional to 10,832.81, 16,238.64 and 5,285.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,832.81 : 16,238.64 = 5,285.93 : x
2. Step 2: Convert to fraction form
   10,832.81/16,238.64 = 5,285.93/x
3. Step 3: Cross multiply
   10,832.81x = 16,238.64 × 5,285.93
4. Step 4: Simplify right side
   10,832.81x = 85,836,314.34
5. Step 5: Solve for x
   x = 85,836,314.34/10,832.81
6. Step 6: Final answer
   x = 7,923.73