Finding the Fourth Proportional to 16,875.28, 25,316.49 and 5,778.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,875.28 : 25,316.49 = 5,778.98 : x
2. Step 2: Convert to fraction form
   16,875.28/25,316.49 = 5,778.98/x
3. Step 3: Cross multiply
   16,875.28x = 25,316.49 × 5,778.98
4. Step 4: Simplify right side
   16,875.28x = 146,303,621.81
5. Step 5: Solve for x
   x = 146,303,621.81/16,875.28
6. Step 6: Final answer
   x = 8,669.70