Finding the Fourth Proportional to 7,632.27, 10,532.64 and 4,978.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,632.27 : 10,532.64 = 4,978.16 : x
2. Step 2: Convert to fraction form
   7,632.27/10,532.64 = 4,978.16/x
3. Step 3: Cross multiply
   7,632.27x = 10,532.64 × 4,978.16
4. Step 4: Simplify right side
   7,632.27x = 52,433,089.59
5. Step 5: Solve for x
   x = 52,433,089.59/7,632.27
6. Step 6: Final answer
   x = 6,869.92