Finding the Fourth Proportional to 86,978.54, 130,426.70 and 33,695.48

Step by Step Solution

1. Step 1: Write the proportion equation
   86,978.54 : 130,426.70 = 33,695.48 : x
2. Step 2: Convert to fraction form
   86,978.54/130,426.70 = 33,695.48/x
3. Step 3: Cross multiply
   86,978.54x = 130,426.70 × 33,695.48
4. Step 4: Simplify right side
   86,978.54x = 4,394,790,418.91
5. Step 5: Solve for x
   x = 4,394,790,418.91/86,978.54
6. Step 6: Final answer
   x = 50,527.29