Finding the Fourth Proportional to 111,295.62, 166,890.63 and 64,562.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,295.62 : 166,890.63 = 64,562.82 : x
2. Step 2: Convert to fraction form
   111,295.62/166,890.63 = 64,562.82/x
3. Step 3: Cross multiply
   111,295.62x = 166,890.63 × 64,562.82
4. Step 4: Simplify right side
   111,295.62x = 10,774,929,704.38
5. Step 5: Solve for x
   x = 10,774,929,704.38/111,295.62
6. Step 6: Final answer
   x = 96,813.60