Finding the Fourth Proportional to 10,633.83, 15,951.87 and 4,394.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,633.83 : 15,951.87 = 4,394.31 : x
2. Step 2: Convert to fraction form
   10,633.83/15,951.87 = 4,394.31/x
3. Step 3: Cross multiply
   10,633.83x = 15,951.87 × 4,394.31
4. Step 4: Simplify right side
   10,633.83x = 70,097,461.86
5. Step 5: Solve for x
   x = 70,097,461.86/10,633.83
6. Step 6: Final answer
   x = 6,591.93