Finding the Fourth Proportional to 13,012.34, 17,952.82 and 7,971.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012.34 : 17,952.82 = 7,971.30 : x
2. Step 2: Convert to fraction form
   13,012.34/17,952.82 = 7,971.30/x
3. Step 3: Cross multiply
   13,012.34x = 17,952.82 × 7,971.30
4. Step 4: Simplify right side
   13,012.34x = 143,107,314.07
5. Step 5: Solve for x
   x = 143,107,314.07/13,012.34
6. Step 6: Final answer
   x = 10,997.82