Finding the Fourth Proportional to 9,065.67, 12,510.61 and 5,086.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,065.67 : 12,510.61 = 5,086.77 : x
2. Step 2: Convert to fraction form
   9,065.67/12,510.61 = 5,086.77/x
3. Step 3: Cross multiply
   9,065.67x = 12,510.61 × 5,086.77
4. Step 4: Simplify right side
   9,065.67x = 63,638,595.63
5. Step 5: Solve for x
   x = 63,638,595.63/9,065.67
6. Step 6: Final answer
   x = 7,019.73