Finding the Fourth Proportional to 79,747.36, 119,585.49 and 42,298.91

Step by Step Solution

1. Step 1: Write the proportion equation
   79,747.36 : 119,585.49 = 42,298.91 : x
2. Step 2: Convert to fraction form
   79,747.36/119,585.49 = 42,298.91/x
3. Step 3: Cross multiply
   79,747.36x = 119,585.49 × 42,298.91
4. Step 4: Simplify right side
   79,747.36x = 5,058,335,878.82
5. Step 5: Solve for x
   x = 5,058,335,878.82/79,747.36
6. Step 6: Final answer
   x = 63,429.51