Finding the Fourth Proportional to 15,870.67, 23,789.23 and 5,868.99

Step by Step Solution

1. Step 1: Write the proportion equation
   15,870.67 : 23,789.23 = 5,868.99 : x
2. Step 2: Convert to fraction form
   15,870.67/23,789.23 = 5,868.99/x
3. Step 3: Cross multiply
   15,870.67x = 23,789.23 × 5,868.99
4. Step 4: Simplify right side
   15,870.67x = 139,618,823.03
5. Step 5: Solve for x
   x = 139,618,823.03/15,870.67
6. Step 6: Final answer
   x = 8,797.28