Finding the Fourth Proportional to 111,456.76, 166,899.69 and 61,481.30

Step by Step Solution

1. Step 1: Write the proportion equation
   111,456.76 : 166,899.69 = 61,481.30 : x
2. Step 2: Convert to fraction form
   111,456.76/166,899.69 = 61,481.30/x
3. Step 3: Cross multiply
   111,456.76x = 166,899.69 × 61,481.30
4. Step 4: Simplify right side
   111,456.76x = 10,261,210,484.51
5. Step 5: Solve for x
   x = 10,261,210,484.51/111,456.76
6. Step 6: Final answer
   x = 92,064.50