Finding the Fourth Proportional to 17,039,581.98, 25,540,440.84 and 12,982,695.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,039,581.98 : 25,540,440.84 = 12,982,695.15 : x
2. Step 2: Convert to fraction form
   17,039,581.98/25,540,440.84 = 12,982,695.15/x
3. Step 3: Cross multiply
   17,039,581.98x = 25,540,440.84 × 12,982,695.15
4. Step 4: Simplify right side
   17,039,581.98x = 331,583,757,422,329.94
5. Step 5: Solve for x
   x = 331,583,757,422,329.94/17,039,581.98
6. Step 6: Final answer
   x = 19,459,618.07