Finding the Fourth Proportional to 111,111.30, 166,521.15 and 44,496.90

Step by Step Solution

1. Step 1: Write the proportion equation
   111,111.30 : 166,521.15 = 44,496.90 : x
2. Step 2: Convert to fraction form
   111,111.30/166,521.15 = 44,496.90/x
3. Step 3: Cross multiply
   111,111.30x = 166,521.15 × 44,496.90
4. Step 4: Simplify right side
   111,111.30x = 7,409,674,959.44
5. Step 5: Solve for x
   x = 7,409,674,959.44/111,111.30
6. Step 6: Final answer
   x = 66,686.96