Finding the Fourth Proportional to 118,789.17, 163,940.81 and 67,809.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,789.17 : 163,940.81 = 67,809.56 : x
2. Step 2: Convert to fraction form
   118,789.17/163,940.81 = 67,809.56/x
3. Step 3: Cross multiply
   118,789.17x = 163,940.81 × 67,809.56
4. Step 4: Simplify right side
   118,789.17x = 11,116,753,826.26
5. Step 5: Solve for x
   x = 11,116,753,826.26/118,789.17
6. Step 6: Final answer
   x = 93,583.90