Finding the Fourth Proportional to 76,171.97, 105,116.73 and 42,180.32

Step by Step Solution

1. Step 1: Write the proportion equation
   76,171.97 : 105,116.73 = 42,180.32 : x
2. Step 2: Convert to fraction form
   76,171.97/105,116.73 = 42,180.32/x
3. Step 3: Cross multiply
   76,171.97x = 105,116.73 × 42,180.32
4. Step 4: Simplify right side
   76,171.97x = 4,433,857,308.75
5. Step 5: Solve for x
   x = 4,433,857,308.75/76,171.97
6. Step 6: Final answer
   x = 58,208.52