Finding the Fourth Proportional to 16,870.14, 25,300.79 and 5,020.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.14 : 25,300.79 = 5,020.72 : x
2. Step 2: Convert to fraction form
   16,870.14/25,300.79 = 5,020.72/x
3. Step 3: Cross multiply
   16,870.14x = 25,300.79 × 5,020.72
4. Step 4: Simplify right side
   16,870.14x = 127,028,112.84
5. Step 5: Solve for x
   x = 127,028,112.84/16,870.14
6. Step 6: Final answer
   x = 7,529.76