Finding the Fourth Proportional to 107,451.06, 161,176.41 and 28,565.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,451.06 : 161,176.41 = 28,565.30 : x
2. Step 2: Convert to fraction form
   107,451.06/161,176.41 = 28,565.30/x
3. Step 3: Cross multiply
   107,451.06x = 161,176.41 × 28,565.30
4. Step 4: Simplify right side
   107,451.06x = 4,604,051,698.69
5. Step 5: Solve for x
   x = 4,604,051,698.69/107,451.06
6. Step 6: Final answer
   x = 42,847.89