Finding the Fourth Proportional to 126,333.32, 189,436.58 and 42,063.80

Step by Step Solution

1. Step 1: Write the proportion equation
   126,333.32 : 189,436.58 = 42,063.80 : x
2. Step 2: Convert to fraction form
   126,333.32/189,436.58 = 42,063.80/x
3. Step 3: Cross multiply
   126,333.32x = 189,436.58 × 42,063.80
4. Step 4: Simplify right side
   126,333.32x = 7,968,421,571.78
5. Step 5: Solve for x
   x = 7,968,421,571.78/126,333.32
6. Step 6: Final answer
   x = 63,074.59