Finding the Fourth Proportional to 10,145.52, 13,999.32 and 5,955.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,145.52 : 13,999.32 = 5,955.12 : x
2. Step 2: Convert to fraction form
   10,145.52/13,999.32 = 5,955.12/x
3. Step 3: Cross multiply
   10,145.52x = 13,999.32 × 5,955.12
4. Step 4: Simplify right side
   10,145.52x = 83,367,630.52
5. Step 5: Solve for x
   x = 83,367,630.52/10,145.52
6. Step 6: Final answer
   x = 8,217.19