Finding the Fourth Proportional to 117,646.31, 162,373.78 and 67,345.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,646.31 : 162,373.78 = 67,345.31 : x
2. Step 2: Convert to fraction form
   117,646.31/162,373.78 = 67,345.31/x
3. Step 3: Cross multiply
   117,646.31x = 162,373.78 × 67,345.31
4. Step 4: Simplify right side
   117,646.31x = 10,935,112,549.97
5. Step 5: Solve for x
   x = 10,935,112,549.97/117,646.31
6. Step 6: Final answer
   x = 92,949.05