Finding the Fourth Proportional to 69,281.49, 103,662.72 and 49,337.07

Step by Step Solution

1. Step 1: Write the proportion equation
   69,281.49 : 103,662.72 = 49,337.07 : x
2. Step 2: Convert to fraction form
   69,281.49/103,662.72 = 49,337.07/x
3. Step 3: Cross multiply
   69,281.49x = 103,662.72 × 49,337.07
4. Step 4: Simplify right side
   69,281.49x = 5,114,414,873.03
5. Step 5: Solve for x
   x = 5,114,414,873.03/69,281.49
6. Step 6: Final answer
   x = 73,820.80