Finding the Fourth Proportional to 166,758.34, 230,124.76 and 90,275.72

Step by Step Solution

1. Step 1: Write the proportion equation
   166,758.34 : 230,124.76 = 90,275.72 : x
2. Step 2: Convert to fraction form
   166,758.34/230,124.76 = 90,275.72/x
3. Step 3: Cross multiply
   166,758.34x = 230,124.76 × 90,275.72
4. Step 4: Simplify right side
   166,758.34x = 20,774,678,398.83
5. Step 5: Solve for x
   x = 20,774,678,398.83/166,758.34
6. Step 6: Final answer
   x = 124,579.55