Finding the Fourth Proportional to 11,321.34, 16,971.52 and 4,299.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,321.34 : 16,971.52 = 4,299.25 : x
2. Step 2: Convert to fraction form
   11,321.34/16,971.52 = 4,299.25/x
3. Step 3: Cross multiply
   11,321.34x = 16,971.52 × 4,299.25
4. Step 4: Simplify right side
   11,321.34x = 72,964,711.75
5. Step 5: Solve for x
   x = 72,964,711.75/11,321.34
6. Step 6: Final answer
   x = 6,444.88