Finding the Fourth Proportional to 111,003, 166,659.18 and 57,005.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,003 : 166,659.18 = 57,005.56 : x
2. Step 2: Convert to fraction form
   111,003/166,659.18 = 57,005.56/x
3. Step 3: Cross multiply
   111,003x = 166,659.18 × 57,005.56
4. Step 4: Simplify right side
   111,003x = 9,500,499,885.04
5. Step 5: Solve for x
   x = 9,500,499,885.04/111,003
6. Step 6: Final answer
   x = 85,587.78