Finding the Fourth Proportional to 123,068.64, 169,839.72 and 69,355.92

Step by Step Solution

1. Step 1: Write the proportion equation
   123,068.64 : 169,839.72 = 69,355.92 : x
2. Step 2: Convert to fraction form
   123,068.64/169,839.72 = 69,355.92/x
3. Step 3: Cross multiply
   123,068.64x = 169,839.72 × 69,355.92
4. Step 4: Simplify right side
   123,068.64x = 11,779,390,033.14
5. Step 5: Solve for x
   x = 11,779,390,033.14/123,068.64
6. Step 6: Final answer
   x = 95,713.99