Finding the Fourth Proportional to 118,107.06, 162,980.72 and 67,112.71

Step by Step Solution

1. Step 1: Write the proportion equation
   118,107.06 : 162,980.72 = 67,112.71 : x
2. Step 2: Convert to fraction form
   118,107.06/162,980.72 = 67,112.71/x
3. Step 3: Cross multiply
   118,107.06x = 162,980.72 × 67,112.71
4. Step 4: Simplify right side
   118,107.06x = 10,938,077,796.95
5. Step 5: Solve for x
   x = 10,938,077,796.95/118,107.06
6. Step 6: Final answer
   x = 92,611.55