Finding the Fourth Proportional to 16,870.99, 25,303.88 and 5,775.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,870.99 : 25,303.88 = 5,775.13 : x
2. Step 2: Convert to fraction form
   16,870.99/25,303.88 = 5,775.13/x
3. Step 3: Cross multiply
   16,870.99x = 25,303.88 × 5,775.13
4. Step 4: Simplify right side
   16,870.99x = 146,133,196.50
5. Step 5: Solve for x
   x = 146,133,196.50/16,870.99
6. Step 6: Final answer
   x = 8,661.80