Finding the Fourth Proportional to 9,386.01, 12,952.71 and 5,137.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,386.01 : 12,952.71 = 5,137.43 : x
2. Step 2: Convert to fraction form
   9,386.01/12,952.71 = 5,137.43/x
3. Step 3: Cross multiply
   9,386.01x = 12,952.71 × 5,137.43
4. Step 4: Simplify right side
   9,386.01x = 66,543,576.17
5. Step 5: Solve for x
   x = 66,543,576.17/9,386.01
6. Step 6: Final answer
   x = 7,089.66