Finding the Fourth Proportional to 118,078.95, 162,943 and 67,085

Step by Step Solution

1. Step 1: Write the proportion equation
   118,078.95 : 162,943 = 67,085 : x
2. Step 2: Convert to fraction form
   118,078.95/162,943 = 67,085/x
3. Step 3: Cross multiply
   118,078.95x = 162,943 × 67,085
4. Step 4: Simplify right side
   118,078.95x = 10,931,031,155
5. Step 5: Solve for x
   x = 10,931,031,155/118,078.95
6. Step 6: Final answer
   x = 92,573.92