Finding the Fourth Proportional to 78,194.82, 107,908.23 and 42,383.91

Step by Step Solution

1. Step 1: Write the proportion equation
   78,194.82 : 107,908.23 = 42,383.91 : x
2. Step 2: Convert to fraction form
   78,194.82/107,908.23 = 42,383.91/x
3. Step 3: Cross multiply
   78,194.82x = 107,908.23 × 42,383.91
4. Step 4: Simplify right side
   78,194.82x = 4,573,572,708.58
5. Step 5: Solve for x
   x = 4,573,572,708.58/78,194.82
6. Step 6: Final answer
   x = 58,489.46