Finding the Fourth Proportional to 11,683.69, 17,549.12 and 7,012.58

Step by Step Solution

1. Step 1: Write the proportion equation
   11,683.69 : 17,549.12 = 7,012.58 : x
2. Step 2: Convert to fraction form
   11,683.69/17,549.12 = 7,012.58/x
3. Step 3: Cross multiply
   11,683.69x = 17,549.12 × 7,012.58
4. Step 4: Simplify right side
   11,683.69x = 123,064,537.72
5. Step 5: Solve for x
   x = 123,064,537.72/11,683.69
6. Step 6: Final answer
   x = 10,533.02