Finding the Fourth Proportional to 9,508.93, 13,123.13 and 5,530.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,508.93 : 13,123.13 = 5,530.30 : x
2. Step 2: Convert to fraction form
   9,508.93/13,123.13 = 5,530.30/x
3. Step 3: Cross multiply
   9,508.93x = 13,123.13 × 5,530.30
4. Step 4: Simplify right side
   9,508.93x = 72,574,845.84
5. Step 5: Solve for x
   x = 72,574,845.84/9,508.93
6. Step 6: Final answer
   x = 7,632.28