Finding the Fourth Proportional to 123,336.32, 170,204.72 and 69,623.68

Step by Step Solution

1. Step 1: Write the proportion equation
   123,336.32 : 170,204.72 = 69,623.68 : x
2. Step 2: Convert to fraction form
   123,336.32/170,204.72 = 69,623.68/x
3. Step 3: Cross multiply
   123,336.32x = 170,204.72 × 69,623.68
4. Step 4: Simplify right side
   123,336.32x = 11,850,278,959.77
5. Step 5: Solve for x
   x = 11,850,278,959.77/123,336.32
6. Step 6: Final answer
   x = 96,081.02