Finding the Fourth Proportional to 117,946.76, 162,769.43 and 64,234.69

Step by Step Solution

1. Step 1: Write the proportion equation
   117,946.76 : 162,769.43 = 64,234.69 : x
2. Step 2: Convert to fraction form
   117,946.76/162,769.43 = 64,234.69/x
3. Step 3: Cross multiply
   117,946.76x = 162,769.43 × 64,234.69
4. Step 4: Simplify right side
   117,946.76x = 10,455,443,631.19
5. Step 5: Solve for x
   x = 10,455,443,631.19/117,946.76
6. Step 6: Final answer
   x = 88,645.45