Finding the Fourth Proportional to 9,823.89, 13,556.93 and 5,347.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,823.89 : 13,556.93 = 5,347.63 : x
2. Step 2: Convert to fraction form
   9,823.89/13,556.93 = 5,347.63/x
3. Step 3: Cross multiply
   9,823.89x = 13,556.93 × 5,347.63
4. Step 4: Simplify right side
   9,823.89x = 72,497,377.79
5. Step 5: Solve for x
   x = 72,497,377.79/9,823.89
6. Step 6: Final answer
   x = 7,379.70