Finding the Fourth Proportional to 12,756,064.79, 19,134,167.25 and 3,171,443.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,756,064.79 : 19,134,167.25 = 3,171,443.31 : x
2. Step 2: Convert to fraction form
   12,756,064.79/19,134,167.25 = 3,171,443.31/x
3. Step 3: Cross multiply
   12,756,064.79x = 19,134,167.25 × 3,171,443.31
4. Step 4: Simplify right side
   12,756,064.79x = 60,682,926,729,326.51
5. Step 5: Solve for x
   x = 60,682,926,729,326.51/12,756,064.79
6. Step 6: Final answer
   x = 4,757,182.39