Finding the Fourth Proportional to 12,316.30, 16,995.77 and 7,280.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,316.30 : 16,995.77 = 7,280.98 : x
2. Step 2: Convert to fraction form
   12,316.30/16,995.77 = 7,280.98/x
3. Step 3: Cross multiply
   12,316.30x = 16,995.77 × 7,280.98
4. Step 4: Simplify right side
   12,316.30x = 123,745,861.45
5. Step 5: Solve for x
   x = 123,745,861.45/12,316.30
6. Step 6: Final answer
   x = 10,047.32