Finding the Fourth Proportional to 50,857,860.72, 76,320,711.72 and 18,509,754.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,857,860.72 : 76,320,711.72 = 18,509,754.18 : x
2. Step 2: Convert to fraction form
   50,857,860.72/76,320,711.72 = 18,509,754.18/x
3. Step 3: Cross multiply
   50,857,860.72x = 76,320,711.72 × 18,509,754.18
4. Step 4: Simplify right side
   50,857,860.72x = 1,412,677,612,779,845
5. Step 5: Solve for x
   x = 1,412,677,612,779,845/50,857,860.72
6. Step 6: Final answer
   x = 27,776,976.71