Finding the Fourth Proportional to 167,401.31, 251,037.69 and 71,277.57

Step by Step Solution

1. Step 1: Write the proportion equation
   167,401.31 : 251,037.69 = 71,277.57 : x
2. Step 2: Convert to fraction form
   167,401.31/251,037.69 = 71,277.57/x
3. Step 3: Cross multiply
   167,401.31x = 251,037.69 × 71,277.57
4. Step 4: Simplify right side
   167,401.31x = 17,893,356,521.61
5. Step 5: Solve for x
   x = 17,893,356,521.61/167,401.31
6. Step 6: Final answer
   x = 106,888.99