Finding the Fourth Proportional to 31,628,795.32, 43,647,839.92 and 17,690,389.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,628,795.32 : 43,647,839.92 = 17,690,389.50 : x
2. Step 2: Convert to fraction form
   31,628,795.32/43,647,839.92 = 17,690,389.50/x
3. Step 3: Cross multiply
   31,628,795.32x = 43,647,839.92 × 17,690,389.50
4. Step 4: Simplify right side
   31,628,795.32x = 772,147,289,018,448.88
5. Step 5: Solve for x
   x = 772,147,289,018,448.88/31,628,795.32
6. Step 6: Final answer
   x = 24,412,794.77