Finding the Fourth Proportional to 107,665.82, 161,498.78 and 48,432.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,665.82 : 161,498.78 = 48,432.30 : x
2. Step 2: Convert to fraction form
   107,665.82/161,498.78 = 48,432.30/x
3. Step 3: Cross multiply
   107,665.82x = 161,498.78 × 48,432.30
4. Step 4: Simplify right side
   107,665.82x = 7,821,757,362.59
5. Step 5: Solve for x
   x = 7,821,757,362.59/107,665.82
6. Step 6: Final answer
   x = 72,648.47