Finding the Fourth Proportional to 123,747.81, 170,770.59 and 69,300.47

Step by Step Solution

1. Step 1: Write the proportion equation
   123,747.81 : 170,770.59 = 69,300.47 : x
2. Step 2: Convert to fraction form
   123,747.81/170,770.59 = 69,300.47/x
3. Step 3: Cross multiply
   123,747.81x = 170,770.59 × 69,300.47
4. Step 4: Simplify right side
   123,747.81x = 11,834,481,295.32
5. Step 5: Solve for x
   x = 11,834,481,295.32/123,747.81
6. Step 6: Final answer
   x = 95,633.86