Finding the Fourth Proportional to 123,308.72, 170,165.34 and 69,611.18

Step by Step Solution

1. Step 1: Write the proportion equation
   123,308.72 : 170,165.34 = 69,611.18 : x
2. Step 2: Convert to fraction form
   123,308.72/170,165.34 = 69,611.18/x
3. Step 3: Cross multiply
   123,308.72x = 170,165.34 × 69,611.18
4. Step 4: Simplify right side
   123,308.72x = 11,845,410,112.50
5. Step 5: Solve for x
   x = 11,845,410,112.50/123,308.72
6. Step 6: Final answer
   x = 96,063.04