Finding the Fourth Proportional to 166,758.56, 230,126.72 and 91,307.04

Step by Step Solution

1. Step 1: Write the proportion equation
   166,758.56 : 230,126.72 = 91,307.04 : x
2. Step 2: Convert to fraction form
   166,758.56/230,126.72 = 91,307.04/x
3. Step 3: Cross multiply
   166,758.56x = 230,126.72 × 91,307.04
4. Step 4: Simplify right side
   166,758.56x = 21,012,189,628.11
5. Step 5: Solve for x
   x = 21,012,189,628.11/166,758.56
6. Step 6: Final answer
   x = 126,003.66