Finding the Fourth Proportional to 9,569.13, 13,205.34 and 5,377.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,569.13 : 13,205.34 = 5,377.38 : x
2. Step 2: Convert to fraction form
   9,569.13/13,205.34 = 5,377.38/x
3. Step 3: Cross multiply
   9,569.13x = 13,205.34 × 5,377.38
4. Step 4: Simplify right side
   9,569.13x = 71,010,131.21
5. Step 5: Solve for x
   x = 71,010,131.21/9,569.13
6. Step 6: Final answer
   x = 7,420.75