Finding the Fourth Proportional to 195,309,559.27, 269,750,885.88 and 128,626,605.73

Step by Step Solution

1. Step 1: Write the proportion equation
   195,309,559.27 : 269,750,885.88 = 128,626,605.73 : x
2. Step 2: Convert to fraction form
   195,309,559.27/269,750,885.88 = 128,626,605.73/x
3. Step 3: Cross multiply
   195,309,559.27x = 269,750,885.88 × 128,626,605.73
4. Step 4: Simplify right side
   195,309,559.27x = 34,697,140,843,404,984
5. Step 5: Solve for x
   x = 34,697,140,843,404,984/195,309,559.27
6. Step 6: Final answer
   x = 177,652,035.94