Finding the Fourth Proportional to 10,632.96, 15,958.08 and 5,440.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,632.96 : 15,958.08 = 5,440.32 : x
2. Step 2: Convert to fraction form
   10,632.96/15,958.08 = 5,440.32/x
3. Step 3: Cross multiply
   10,632.96x = 15,958.08 × 5,440.32
4. Step 4: Simplify right side
   10,632.96x = 86,817,061.79
5. Step 5: Solve for x
   x = 86,817,061.79/10,632.96
6. Step 6: Final answer
   x = 8,164.90