Finding the Fourth Proportional to 67,145.48, 92,610.41 and 64,167.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,145.48 : 92,610.41 = 64,167.56 : x
2. Step 2: Convert to fraction form
   67,145.48/92,610.41 = 64,167.56/x
3. Step 3: Cross multiply
   67,145.48x = 92,610.41 × 64,167.56
4. Step 4: Simplify right side
   67,145.48x = 5,942,584,040.30
5. Step 5: Solve for x
   x = 5,942,584,040.30/67,145.48
6. Step 6: Final answer
   x = 88,503.11