Finding the Fourth Proportional to 10,452.09, 15,667.17 and 3,430.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,452.09 : 15,667.17 = 3,430.30 : x
2. Step 2: Convert to fraction form
   10,452.09/15,667.17 = 3,430.30/x
3. Step 3: Cross multiply
   10,452.09x = 15,667.17 × 3,430.30
4. Step 4: Simplify right side
   10,452.09x = 53,743,089.89
5. Step 5: Solve for x
   x = 53,743,089.89/10,452.09
6. Step 6: Final answer
   x = 5,141.85