Finding the Fourth Proportional to 76,167.97, 105,110.51 and 42,175.72

Step by Step Solution

1. Step 1: Write the proportion equation
   76,167.97 : 105,110.51 = 42,175.72 : x
2. Step 2: Convert to fraction form
   76,167.97/105,110.51 = 42,175.72/x
3. Step 3: Cross multiply
   76,167.97x = 105,110.51 × 42,175.72
4. Step 4: Simplify right side
   76,167.97x = 4,433,111,227.94
5. Step 5: Solve for x
   x = 4,433,111,227.94/76,167.97
6. Step 6: Final answer
   x = 58,201.78