Finding the Fourth Proportional to 166,506.12, 229,773.78 and 91,053

Step by Step Solution

1. Step 1: Write the proportion equation
   166,506.12 : 229,773.78 = 91,053 : x
2. Step 2: Convert to fraction form
   166,506.12/229,773.78 = 91,053/x
3. Step 3: Cross multiply
   166,506.12x = 229,773.78 × 91,053
4. Step 4: Simplify right side
   166,506.12x = 20,921,591,990.34
5. Step 5: Solve for x
   x = 20,921,591,990.34/166,506.12
6. Step 6: Final answer
   x = 125,650.59