Finding the Fourth Proportional to 17,051.63, 25,574.67 and 12,106.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,051.63 : 25,574.67 = 12,106.31 : x
2. Step 2: Convert to fraction form
   17,051.63/25,574.67 = 12,106.31/x
3. Step 3: Cross multiply
   17,051.63x = 25,574.67 × 12,106.31
4. Step 4: Simplify right side
   17,051.63x = 309,614,755.29
5. Step 5: Solve for x
   x = 309,614,755.29/17,051.63
6. Step 6: Final answer
   x = 18,157.49