Finding the Fourth Proportional to 42,759.96, 64,150.37 and 30,134.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,759.96 : 64,150.37 = 30,134.34 : x
2. Step 2: Convert to fraction form
   42,759.96/64,150.37 = 30,134.34/x
3. Step 3: Cross multiply
   42,759.96x = 64,150.37 × 30,134.34
4. Step 4: Simplify right side
   42,759.96x = 1,933,129,192.54
5. Step 5: Solve for x
   x = 1,933,129,192.54/42,759.96
6. Step 6: Final answer
   x = 45,208.87