Finding the Fourth Proportional to 110,667.72, 166,168.80 and 88,415.04

Step by Step Solution

1. Step 1: Write the proportion equation
   110,667.72 : 166,168.80 = 88,415.04 : x
2. Step 2: Convert to fraction form
   110,667.72/166,168.80 = 88,415.04/x
3. Step 3: Cross multiply
   110,667.72x = 166,168.80 × 88,415.04
4. Step 4: Simplify right side
   110,667.72x = 14,691,821,098.75
5. Step 5: Solve for x
   x = 14,691,821,098.75/110,667.72
6. Step 6: Final answer
   x = 132,756.16