Finding the Fourth Proportional to 12,949.41, 17,870.84 and 7,285.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,949.41 : 17,870.84 = 7,285.08 : x
2. Step 2: Convert to fraction form
   12,949.41/17,870.84 = 7,285.08/x
3. Step 3: Cross multiply
   12,949.41x = 17,870.84 × 7,285.08
4. Step 4: Simplify right side
   12,949.41x = 130,190,499.07
5. Step 5: Solve for x
   x = 130,190,499.07/12,949.41
6. Step 6: Final answer
   x = 10,053.78