Finding the Fourth Proportional to 106,698.78, 160,065.45 and 32,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   106,698.78 : 160,065.45 = 32,809.50 : x
2. Step 2: Convert to fraction form
   106,698.78/160,065.45 = 32,809.50/x
3. Step 3: Cross multiply
   106,698.78x = 160,065.45 × 32,809.50
4. Step 4: Simplify right side
   106,698.78x = 5,251,667,381.78
5. Step 5: Solve for x
   x = 5,251,667,381.78/106,698.78
6. Step 6: Final answer
   x = 49,219.56