Finding the Fourth Proportional to 117,947.89, 162,766.97 and 64,233.81

Step by Step Solution

1. Step 1: Write the proportion equation
   117,947.89 : 162,766.97 = 64,233.81 : x
2. Step 2: Convert to fraction form
   117,947.89/162,766.97 = 64,233.81/x
3. Step 3: Cross multiply
   117,947.89x = 162,766.97 × 64,233.81
4. Step 4: Simplify right side
   117,947.89x = 10,455,142,175.46
5. Step 5: Solve for x
   x = 10,455,142,175.46/117,947.89
6. Step 6: Final answer
   x = 88,642.04