Finding the Fourth Proportional to 117,923.78, 162,732.71 and 64,207.82

Step by Step Solution

1. Step 1: Write the proportion equation
   117,923.78 : 162,732.71 = 64,207.82 : x
2. Step 2: Convert to fraction form
   117,923.78/162,732.71 = 64,207.82/x
3. Step 3: Cross multiply
   117,923.78x = 162,732.71 × 64,207.82
4. Step 4: Simplify right side
   117,923.78x = 10,448,713,119.14
5. Step 5: Solve for x
   x = 10,448,713,119.14/117,923.78
6. Step 6: Final answer
   x = 88,605.65