Finding the Fourth Proportional to 15,667.20, 23,499.72 and 7,349.09

Step by Step Solution

1. Step 1: Write the proportion equation
   15,667.20 : 23,499.72 = 7,349.09 : x
2. Step 2: Convert to fraction form
   15,667.20/23,499.72 = 7,349.09/x
3. Step 3: Cross multiply
   15,667.20x = 23,499.72 × 7,349.09
4. Step 4: Simplify right side
   15,667.20x = 172,701,439.76
5. Step 5: Solve for x
   x = 172,701,439.76/15,667.20
6. Step 6: Final answer
   x = 11,023.12