Finding the Fourth Proportional to 118,892.30, 164,072.69 and 67,911.78

Step by Step Solution

1. Step 1: Write the proportion equation
   118,892.30 : 164,072.69 = 67,911.78 : x
2. Step 2: Convert to fraction form
   118,892.30/164,072.69 = 67,911.78/x
3. Step 3: Cross multiply
   118,892.30x = 164,072.69 × 67,911.78
4. Step 4: Simplify right side
   118,892.30x = 11,142,468,087.73
5. Step 5: Solve for x
   x = 11,142,468,087.73/118,892.30
6. Step 6: Final answer
   x = 93,719.01