Finding the Fourth Proportional to 110,667.55, 152,734.94 and 67,638.19

Step by Step Solution

1. Step 1: Write the proportion equation
   110,667.55 : 152,734.94 = 67,638.19 : x
2. Step 2: Convert to fraction form
   110,667.55/152,734.94 = 67,638.19/x
3. Step 3: Cross multiply
   110,667.55x = 152,734.94 × 67,638.19
4. Step 4: Simplify right side
   110,667.55x = 10,330,714,891.36
5. Step 5: Solve for x
   x = 10,330,714,891.36/110,667.55
6. Step 6: Final answer
   x = 93,349.09