Finding the Fourth Proportional to 9,557.34, 13,187.91 and 5,577.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,557.34 : 13,187.91 = 5,577.54 : x
2. Step 2: Convert to fraction form
   9,557.34/13,187.91 = 5,577.54/x
3. Step 3: Cross multiply
   9,557.34x = 13,187.91 × 5,577.54
4. Step 4: Simplify right side
   9,557.34x = 73,556,095.54
5. Step 5: Solve for x
   x = 73,556,095.54/9,557.34
6. Step 6: Final answer
   x = 7,696.29