Finding the Fourth Proportional to 9,815.83, 13,546.02 and 5,339.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,815.83 : 13,546.02 = 5,339.68 : x
2. Step 2: Convert to fraction form
   9,815.83/13,546.02 = 5,339.68/x
3. Step 3: Cross multiply
   9,815.83x = 13,546.02 × 5,339.68
4. Step 4: Simplify right side
   9,815.83x = 72,331,412.07
5. Step 5: Solve for x
   x = 72,331,412.07/9,815.83
6. Step 6: Final answer
   x = 7,368.85