Finding the Fourth Proportional to 78,443.74, 108,251.72 and 42,633.97

Step by Step Solution

1. Step 1: Write the proportion equation
   78,443.74 : 108,251.72 = 42,633.97 : x
2. Step 2: Convert to fraction form
   78,443.74/108,251.72 = 42,633.97/x
3. Step 3: Cross multiply
   78,443.74x = 108,251.72 × 42,633.97
4. Step 4: Simplify right side
   78,443.74x = 4,615,200,443.56
5. Step 5: Solve for x
   x = 4,615,200,443.56/78,443.74
6. Step 6: Final answer
   x = 58,834.53