Finding the Fourth Proportional to 15,622.32, 21,558.69 and 8,548.59

Step by Step Solution

1. Step 1: Write the proportion equation
   15,622.32 : 21,558.69 = 8,548.59 : x
2. Step 2: Convert to fraction form
   15,622.32/21,558.69 = 8,548.59/x
3. Step 3: Cross multiply
   15,622.32x = 21,558.69 × 8,548.59
4. Step 4: Simplify right side
   15,622.32x = 184,296,401.75
5. Step 5: Solve for x
   x = 184,296,401.75/15,622.32
6. Step 6: Final answer
   x = 11,796.99