Finding the Fourth Proportional to 10,118.58, 13,964.40 and 5,870.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118.58 : 13,964.40 = 5,870.76 : x
2. Step 2: Convert to fraction form
   10,118.58/13,964.40 = 5,870.76/x
3. Step 3: Cross multiply
   10,118.58x = 13,964.40 × 5,870.76
4. Step 4: Simplify right side
   10,118.58x = 81,981,640.94
5. Step 5: Solve for x
   x = 81,981,640.94/10,118.58
6. Step 6: Final answer
   x = 8,102.09