Finding the Fourth Proportional to 17,262.15, 25,870.74 and 12,534.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,262.15 : 25,870.74 = 12,534.18 : x
2. Step 2: Convert to fraction form
   17,262.15/25,870.74 = 12,534.18/x
3. Step 3: Cross multiply
   17,262.15x = 25,870.74 × 12,534.18
4. Step 4: Simplify right side
   17,262.15x = 324,268,511.89
5. Step 5: Solve for x
   x = 324,268,511.89/17,262.15
6. Step 6: Final answer
   x = 18,784.94