Finding the Fourth Proportional to 15,462.16, 21,337.86 and 8,388.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,462.16 : 21,337.86 = 8,388.52 : x
2. Step 2: Convert to fraction form
   15,462.16/21,337.86 = 8,388.52/x
3. Step 3: Cross multiply
   15,462.16x = 21,337.86 × 8,388.52
4. Step 4: Simplify right side
   15,462.16x = 178,993,065.37
5. Step 5: Solve for x
   x = 178,993,065.37/15,462.16
6. Step 6: Final answer
   x = 11,576.20