Finding the Fourth Proportional to 78,443.97, 108,252.69 and 42,633.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,443.97 : 108,252.69 = 42,633.98 : x
2. Step 2: Convert to fraction form
   78,443.97/108,252.69 = 42,633.98/x
3. Step 3: Cross multiply
   78,443.97x = 108,252.69 × 42,633.98
4. Step 4: Simplify right side
   78,443.97x = 4,615,243,020.41
5. Step 5: Solve for x
   x = 4,615,243,020.41/78,443.97
6. Step 6: Final answer
   x = 58,834.90