Finding the Fourth Proportional to 10,119.71, 13,964.93 and 5,870.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,119.71 : 13,964.93 = 5,870.51 : x
2. Step 2: Convert to fraction form
   10,119.71/13,964.93 = 5,870.51/x
3. Step 3: Cross multiply
   10,119.71x = 13,964.93 × 5,870.51
4. Step 4: Simplify right side
   10,119.71x = 81,981,162.04
5. Step 5: Solve for x
   x = 81,981,162.04/10,119.71
6. Step 6: Final answer
   x = 8,101.14