Finding the Fourth Proportional to 86,893.56, 119,915.64 and 49,167

Step by Step Solution

1. Step 1: Write the proportion equation
   86,893.56 : 119,915.64 = 49,167 : x
2. Step 2: Convert to fraction form
   86,893.56/119,915.64 = 49,167/x
3. Step 3: Cross multiply
   86,893.56x = 119,915.64 × 49,167
4. Step 4: Simplify right side
   86,893.56x = 5,895,892,271.88
5. Step 5: Solve for x
   x = 5,895,892,271.88/86,893.56
6. Step 6: Final answer
   x = 67,851.89