Finding the Fourth Proportional to 5,870.84, 8,806.81 and 2,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.84 : 8,806.81 = 2,123.56 : x
2. Step 2: Convert to fraction form
   5,870.84/8,806.81 = 2,123.56/x
3. Step 3: Cross multiply
   5,870.84x = 8,806.81 × 2,123.56
4. Step 4: Simplify right side
   5,870.84x = 18,701,778.83
5. Step 5: Solve for x
   x = 18,701,778.83/5,870.84
6. Step 6: Final answer
   x = 3,185.54