Finding the Fourth Proportional to 120,667.08, 166,526.18 and 75,371.88

Step by Step Solution

1. Step 1: Write the proportion equation
   120,667.08 : 166,526.18 = 75,371.88 : x
2. Step 2: Convert to fraction form
   120,667.08/166,526.18 = 75,371.88/x
3. Step 3: Cross multiply
   120,667.08x = 166,526.18 × 75,371.88
4. Step 4: Simplify right side
   120,667.08x = 12,551,391,255.82
5. Step 5: Solve for x
   x = 12,551,391,255.82/120,667.08
6. Step 6: Final answer
   x = 104,016.70