Finding the Fourth Proportional to 9,572.82, 13,210.35 and 5,381.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,572.82 : 13,210.35 = 5,381.04 : x
2. Step 2: Convert to fraction form
   9,572.82/13,210.35 = 5,381.04/x
3. Step 3: Cross multiply
   9,572.82x = 13,210.35 × 5,381.04
4. Step 4: Simplify right side
   9,572.82x = 71,085,421.76
5. Step 5: Solve for x
   x = 71,085,421.76/9,572.82
6. Step 6: Final answer
   x = 7,425.76