Finding the Fourth Proportional to 79,859.42, 119,687.37 and 42,437.42

Step by Step Solution

1. Step 1: Write the proportion equation
   79,859.42 : 119,687.37 = 42,437.42 : x
2. Step 2: Convert to fraction form
   79,859.42/119,687.37 = 42,437.42/x
3. Step 3: Cross multiply
   79,859.42x = 119,687.37 × 42,437.42
4. Step 4: Simplify right side
   79,859.42x = 5,079,223,119.35
5. Step 5: Solve for x
   x = 5,079,223,119.35/79,859.42
6. Step 6: Final answer
   x = 63,602.05