Finding the Fourth Proportional to 17,039,682.86, 25,540,591.55 and 12,982,795.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,039,682.86 : 25,540,591.55 = 12,982,795.43 : x
2. Step 2: Convert to fraction form
   17,039,682.86/25,540,591.55 = 12,982,795.43/x
3. Step 3: Cross multiply
   17,039,682.86x = 25,540,591.55 × 12,982,795.43
4. Step 4: Simplify right side
   17,039,682.86x = 331,588,275,062,219.75
5. Step 5: Solve for x
   x = 331,588,275,062,219.75/17,039,682.86
6. Step 6: Final answer
   x = 19,459,767.99