Finding the Fourth Proportional to 9,065.34, 12,510.72 and 5,087.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,065.34 : 12,510.72 = 5,087.16 : x
2. Step 2: Convert to fraction form
   9,065.34/12,510.72 = 5,087.16/x
3. Step 3: Cross multiply
   9,065.34x = 12,510.72 × 5,087.16
4. Step 4: Simplify right side
   9,065.34x = 63,644,034.36
5. Step 5: Solve for x
   x = 63,644,034.36/9,065.34
6. Step 6: Final answer
   x = 7,020.59