Finding the Fourth Proportional to 118,106.81, 162,980.37 and 67,112.46

Step by Step Solution

1. Step 1: Write the proportion equation
   118,106.81 : 162,980.37 = 67,112.46 : x
2. Step 2: Convert to fraction form
   118,106.81/162,980.37 = 67,112.46/x
3. Step 3: Cross multiply
   118,106.81x = 162,980.37 × 67,112.46
4. Step 4: Simplify right side
   118,106.81x = 10,938,013,562.41
5. Step 5: Solve for x
   x = 10,938,013,562.41/118,106.81
6. Step 6: Final answer
   x = 92,611.20