Finding the Fourth Proportional to 123,846.60, 170,905.50 and 67,256.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,846.60 : 170,905.50 = 67,256.76 : x
2. Step 2: Convert to fraction form
   123,846.60/170,905.50 = 67,256.76/x
3. Step 3: Cross multiply
   123,846.60x = 170,905.50 × 67,256.76
4. Step 4: Simplify right side
   123,846.60x = 11,494,550,196.18
5. Step 5: Solve for x
   x = 11,494,550,196.18/123,846.60
6. Step 6: Final answer
   x = 92,812.80