Finding the Fourth Proportional to 9,008.58, 12,430.89 and 5,231.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.58 : 12,430.89 = 5,231.00 : x
2. Step 2: Convert to fraction form
   9,008.58/12,430.89 = 5,231.00/x
3. Step 3: Cross multiply
   9,008.58x = 12,430.89 × 5,231.00
4. Step 4: Simplify right side
   9,008.58x = 65,026,016.67
5. Step 5: Solve for x
   x = 65,026,016.67/9,008.58
6. Step 6: Final answer
   x = 7,218.23