Finding the Fourth Proportional to 17,071.30, 23,555.53 and 9,515.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,071.30 : 23,555.53 = 9,515.98 : x
2. Step 2: Convert to fraction form
   17,071.30/23,555.53 = 9,515.98/x
3. Step 3: Cross multiply
   17,071.30x = 23,555.53 × 9,515.98
4. Step 4: Simplify right side
   17,071.30x = 224,153,952.37
5. Step 5: Solve for x
   x = 224,153,952.37/17,071.30
6. Step 6: Final answer
   x = 13,130.46