Finding the Fourth Proportional to 7,280.16, 10,926.72 and 3,386.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,280.16 : 10,926.72 = 3,386.76 : x
2. Step 2: Convert to fraction form
   7,280.16/10,926.72 = 3,386.76/x
3. Step 3: Cross multiply
   7,280.16x = 10,926.72 × 3,386.76
4. Step 4: Simplify right side
   7,280.16x = 37,006,178.23
5. Step 5: Solve for x
   x = 37,006,178.23/7,280.16
6. Step 6: Final answer
   x = 5,083.15