Finding the Fourth Proportional to 10,475.65, 15,722.52 and 5,548.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,475.65 : 15,722.52 = 5,548.78 : x
2. Step 2: Convert to fraction form
   10,475.65/15,722.52 = 5,548.78/x
3. Step 3: Cross multiply
   10,475.65x = 15,722.52 × 5,548.78
4. Step 4: Simplify right side
   10,475.65x = 87,240,804.53
5. Step 5: Solve for x
   x = 87,240,804.53/10,475.65
6. Step 6: Final answer
   x = 8,327.96