Finding the Fourth Proportional to 17,131.76, 23,640.01 and 9,577.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.76 : 23,640.01 = 9,577.30 : x
2. Step 2: Convert to fraction form
   17,131.76/23,640.01 = 9,577.30/x
3. Step 3: Cross multiply
   17,131.76x = 23,640.01 × 9,577.30
4. Step 4: Simplify right side
   17,131.76x = 226,407,467.77
5. Step 5: Solve for x
   x = 226,407,467.77/17,131.76
6. Step 6: Final answer
   x = 13,215.66