Finding the Fourth Proportional to 123,078.71, 169,846.25 and 69,362.64

Step by Step Solution

1. Step 1: Write the proportion equation
   123,078.71 : 169,846.25 = 69,362.64 : x
2. Step 2: Convert to fraction form
   123,078.71/169,846.25 = 69,362.64/x
3. Step 3: Cross multiply
   123,078.71x = 169,846.25 × 69,362.64
4. Step 4: Simplify right side
   123,078.71x = 11,780,983,947.29
5. Step 5: Solve for x
   x = 11,780,983,947.29/123,078.71
6. Step 6: Final answer
   x = 95,719.11