Finding the Fourth Proportional to 79,747.61, 119,585.87 and 42,299.16

Step by Step Solution

1. Step 1: Write the proportion equation
   79,747.61 : 119,585.87 = 42,299.16 : x
2. Step 2: Convert to fraction form
   79,747.61/119,585.87 = 42,299.16/x
3. Step 3: Cross multiply
   79,747.61x = 119,585.87 × 42,299.16
4. Step 4: Simplify right side
   79,747.61x = 5,058,381,637.37
5. Step 5: Solve for x
   x = 5,058,381,637.37/79,747.61
6. Step 6: Final answer
   x = 63,429.88