Finding the Fourth Proportional to 117,976.32, 162,796.80 and 67,672.32

Step by Step Solution

1. Step 1: Write the proportion equation
   117,976.32 : 162,796.80 = 67,672.32 : x
2. Step 2: Convert to fraction form
   117,976.32/162,796.80 = 67,672.32/x
3. Step 3: Cross multiply
   117,976.32x = 162,796.80 × 67,672.32
4. Step 4: Simplify right side
   117,976.32x = 11,016,837,144.58
5. Step 5: Solve for x
   x = 11,016,837,144.58/117,976.32
6. Step 6: Final answer
   x = 93,381.77