Finding the Fourth Proportional to 117,818.70, 162,584.94 and 64,103.93

Step by Step Solution

1. Step 1: Write the proportion equation
   117,818.70 : 162,584.94 = 64,103.93 : x
2. Step 2: Convert to fraction form
   117,818.70/162,584.94 = 64,103.93/x
3. Step 3: Cross multiply
   117,818.70x = 162,584.94 × 64,103.93
4. Step 4: Simplify right side
   117,818.70x = 10,422,332,799.89
5. Step 5: Solve for x
   x = 10,422,332,799.89/117,818.70
6. Step 6: Final answer
   x = 88,460.77