Finding the Fourth Proportional to 51,279.07, 76,665.72 and 43,468.74

Step by Step Solution

1. Step 1: Write the proportion equation
   51,279.07 : 76,665.72 = 43,468.74 : x
2. Step 2: Convert to fraction form
   51,279.07/76,665.72 = 43,468.74/x
3. Step 3: Cross multiply
   51,279.07x = 76,665.72 × 43,468.74
4. Step 4: Simplify right side
   51,279.07x = 3,332,562,249.59
5. Step 5: Solve for x
   x = 3,332,562,249.59/51,279.07
6. Step 6: Final answer
   x = 64,988.75