Finding the Fourth Proportional to 108,978.28, 163,432.86 and 35,089

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978.28 : 163,432.86 = 35,089 : x
2. Step 2: Convert to fraction form
   108,978.28/163,432.86 = 35,089/x
3. Step 3: Cross multiply
   108,978.28x = 163,432.86 × 35,089
4. Step 4: Simplify right side
   108,978.28x = 5,734,695,624.54
5. Step 5: Solve for x
   x = 5,734,695,624.54/108,978.28
6. Step 6: Final answer
   x = 52,622.37