Finding the Fourth Proportional to 11,280.31, 16,926.83 and 4,265.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,280.31 : 16,926.83 = 4,265.08 : x
2. Step 2: Convert to fraction form
   11,280.31/16,926.83 = 4,265.08/x
3. Step 3: Cross multiply
   11,280.31x = 16,926.83 × 4,265.08
4. Step 4: Simplify right side
   11,280.31x = 72,194,284.10
5. Step 5: Solve for x
   x = 72,194,284.10/11,280.31
6. Step 6: Final answer
   x = 6,400.03