Finding the Fourth Proportional to 9,506.93, 13,120.37 and 5,528.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,506.93 : 13,120.37 = 5,528.30 : x
2. Step 2: Convert to fraction form
   9,506.93/13,120.37 = 5,528.30/x
3. Step 3: Cross multiply
   9,506.93x = 13,120.37 × 5,528.30
4. Step 4: Simplify right side
   9,506.93x = 72,533,341.47
5. Step 5: Solve for x
   x = 72,533,341.47/9,506.93
6. Step 6: Final answer
   x = 7,629.52