Finding the Fourth Proportional to 12,950.17, 17,870.83 and 7,285.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,950.17 : 17,870.83 = 7,285.23 : x
2. Step 2: Convert to fraction form
   12,950.17/17,870.83 = 7,285.23/x
3. Step 3: Cross multiply
   12,950.17x = 17,870.83 × 7,285.23
4. Step 4: Simplify right side
   12,950.17x = 130,193,106.84
5. Step 5: Solve for x
   x = 130,193,106.84/12,950.17
6. Step 6: Final answer
   x = 10,053.39