Finding the Fourth Proportional to 9,805.77, 13,531.96 and 5,329.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.77 : 13,531.96 = 5,329.52 : x
2. Step 2: Convert to fraction form
   9,805.77/13,531.96 = 5,329.52/x
3. Step 3: Cross multiply
   9,805.77x = 13,531.96 × 5,329.52
4. Step 4: Simplify right side
   9,805.77x = 72,118,836.45
5. Step 5: Solve for x
   x = 72,118,836.45/9,805.77
6. Step 6: Final answer
   x = 7,354.74