Finding the Fourth Proportional to 10,844.81, 16,248.63 and 7,280.26

Step by Step Solution

1. Step 1: Write the proportion equation
   10,844.81 : 16,248.63 = 7,280.26 : x
2. Step 2: Convert to fraction form
   10,844.81/16,248.63 = 7,280.26/x
3. Step 3: Cross multiply
   10,844.81x = 16,248.63 × 7,280.26
4. Step 4: Simplify right side
   10,844.81x = 118,294,210.42
5. Step 5: Solve for x
   x = 118,294,210.42/10,844.81
6. Step 6: Final answer
   x = 10,907.91