Finding the Fourth Proportional to 9,823.60, 13,556.58 and 5,347.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,823.60 : 13,556.58 = 5,347.34 : x
2. Step 2: Convert to fraction form
   9,823.60/13,556.58 = 5,347.34/x
3. Step 3: Cross multiply
   9,823.60x = 13,556.58 × 5,347.34
4. Step 4: Simplify right side
   9,823.60x = 72,491,642.50
5. Step 5: Solve for x
   x = 72,491,642.50/9,823.60
6. Step 6: Final answer
   x = 7,379.34