Finding the Fourth Proportional to 17,070.35, 23,555.61 and 9,516.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,070.35 : 23,555.61 = 9,516.09 : x
2. Step 2: Convert to fraction form
   17,070.35/23,555.61 = 9,516.09/x
3. Step 3: Cross multiply
   17,070.35x = 23,555.61 × 9,516.09
4. Step 4: Simplify right side
   17,070.35x = 224,157,304.76
5. Step 5: Solve for x
   x = 224,157,304.76/17,070.35
6. Step 6: Final answer
   x = 13,131.38