Finding the Fourth Proportional to 69,284.70, 103,667.55 and 49,340.30

Step by Step Solution

1. Step 1: Write the proportion equation
   69,284.70 : 103,667.55 = 49,340.30 : x
2. Step 2: Convert to fraction form
   69,284.70/103,667.55 = 49,340.30/x
3. Step 3: Cross multiply
   69,284.70x = 103,667.55 × 49,340.30
4. Step 4: Simplify right side
   69,284.70x = 5,114,988,017.27
5. Step 5: Solve for x
   x = 5,114,988,017.27/69,284.70
6. Step 6: Final answer
   x = 73,825.65