Finding the Fourth Proportional to 126,333, 189,436.05 and 42,063.39

Step by Step Solution

1. Step 1: Write the proportion equation
   126,333 : 189,436.05 = 42,063.39 : x
2. Step 2: Convert to fraction form
   126,333/189,436.05 = 42,063.39/x
3. Step 3: Cross multiply
   126,333x = 189,436.05 × 42,063.39
4. Step 4: Simplify right side
   126,333x = 7,968,322,451.21
5. Step 5: Solve for x
   x = 7,968,322,451.21/126,333
6. Step 6: Final answer
   x = 63,073.96