Finding the Fourth Proportional to 16,870.05, 25,300.65 and 5,020.64

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.05 : 25,300.65 = 5,020.64 : x
2. Step 2: Convert to fraction form
   16,870.05/25,300.65 = 5,020.64/x
3. Step 3: Cross multiply
   16,870.05x = 25,300.65 × 5,020.64
4. Step 4: Simplify right side
   16,870.05x = 127,025,518.67
5. Step 5: Solve for x
   x = 127,025,518.67/16,870.05
6. Step 6: Final answer
   x = 7,529.65