Finding the Fourth Proportional to 56,945.39, 78,581.16 and 34,291.71

Step by Step Solution

1. Step 1: Write the proportion equation
   56,945.39 : 78,581.16 = 34,291.71 : x
2. Step 2: Convert to fraction form
   56,945.39/78,581.16 = 34,291.71/x
3. Step 3: Cross multiply
   56,945.39x = 78,581.16 × 34,291.71
4. Step 4: Simplify right side
   56,945.39x = 2,694,682,350.18
5. Step 5: Solve for x
   x = 2,694,682,350.18/56,945.39
6. Step 6: Final answer
   x = 47,320.47