Finding the Fourth Proportional to 12,508.41, 17,259.92 and 7,131.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,508.41 : 17,259.92 = 7,131.54 : x
2. Step 2: Convert to fraction form
   12,508.41/17,259.92 = 7,131.54/x
3. Step 3: Cross multiply
   12,508.41x = 17,259.92 × 7,131.54
4. Step 4: Simplify right side
   12,508.41x = 123,089,774.22
5. Step 5: Solve for x
   x = 123,089,774.22/12,508.41
6. Step 6: Final answer
   x = 9,840.56