Finding the Fourth Proportional to 166,870.58, 250,333.16 and 54,518.18

Step by Step Solution

1. Step 1: Write the proportion equation
   166,870.58 : 250,333.16 = 54,518.18 : x
2. Step 2: Convert to fraction form
   166,870.58/250,333.16 = 54,518.18/x
3. Step 3: Cross multiply
   166,870.58x = 250,333.16 × 54,518.18
4. Step 4: Simplify right side
   166,870.58x = 13,647,706,752.59
5. Step 5: Solve for x
   x = 13,647,706,752.59/166,870.58
6. Step 6: Final answer
   x = 81,786.18