Finding the Fourth Proportional to 166,757.34, 230,123.38 and 90,274.72

Step by Step Solution

1. Step 1: Write the proportion equation
   166,757.34 : 230,123.38 = 90,274.72 : x
2. Step 2: Convert to fraction form
   166,757.34/230,123.38 = 90,274.72/x
3. Step 3: Cross multiply
   166,757.34x = 230,123.38 × 90,274.72
4. Step 4: Simplify right side
   166,757.34x = 20,774,323,694.95
5. Step 5: Solve for x
   x = 20,774,323,694.95/166,757.34
6. Step 6: Final answer
   x = 124,578.17