Finding the Fourth Proportional to 5,945.96, 8,212.32 and 3,953.07

Step by Step Solution

1. Step 1: Write the proportion equation
   5,945.96 : 8,212.32 = 3,953.07 : x
2. Step 2: Convert to fraction form
   5,945.96/8,212.32 = 3,953.07/x
3. Step 3: Cross multiply
   5,945.96x = 8,212.32 × 3,953.07
4. Step 4: Simplify right side
   5,945.96x = 32,463,875.82
5. Step 5: Solve for x
   x = 32,463,875.82/5,945.96
6. Step 6: Final answer
   x = 5,459.82