Finding the Fourth Proportional to 111,434.08, 166,932.42 and 64,588.54

Step by Step Solution

1. Step 1: Write the proportion equation
   111,434.08 : 166,932.42 = 64,588.54 : x
2. Step 2: Convert to fraction form
   111,434.08/166,932.42 = 64,588.54/x
3. Step 3: Cross multiply
   111,434.08x = 166,932.42 × 64,588.54
4. Step 4: Simplify right side
   111,434.08x = 10,781,921,286.47
5. Step 5: Solve for x
   x = 10,781,921,286.47/111,434.08
6. Step 6: Final answer
   x = 96,756.05