Finding the Fourth Proportional to 123,470.82, 170,379.63 and 69,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,470.82 : 170,379.63 = 69,760.50 : x
2. Step 2: Convert to fraction form
   123,470.82/170,379.63 = 69,760.50/x
3. Step 3: Cross multiply
   123,470.82x = 170,379.63 × 69,760.50
4. Step 4: Simplify right side
   123,470.82x = 11,885,768,178.62
5. Step 5: Solve for x
   x = 11,885,768,178.62/123,470.82
6. Step 6: Final answer
   x = 96,263.78