Finding the Fourth Proportional to 108,985.39, 150,395.04 and 63,667.57

Step by Step Solution

1. Step 1: Write the proportion equation
   108,985.39 : 150,395.04 = 63,667.57 : x
2. Step 2: Convert to fraction form
   108,985.39/150,395.04 = 63,667.57/x
3. Step 3: Cross multiply
   108,985.39x = 150,395.04 × 63,667.57
4. Step 4: Simplify right side
   108,985.39x = 9,575,286,736.85
5. Step 5: Solve for x
   x = 9,575,286,736.85/108,985.39
6. Step 6: Final answer
   x = 87,858.44