Finding the Fourth Proportional to 80,182.51, 120,238.20 and 42,735.59

Step by Step Solution

1. Step 1: Write the proportion equation
   80,182.51 : 120,238.20 = 42,735.59 : x
2. Step 2: Convert to fraction form
   80,182.51/120,238.20 = 42,735.59/x
3. Step 3: Cross multiply
   80,182.51x = 120,238.20 × 42,735.59
4. Step 4: Simplify right side
   80,182.51x = 5,138,450,417.54
5. Step 5: Solve for x
   x = 5,138,450,417.54/80,182.51
6. Step 6: Final answer
   x = 64,084.43