Finding the Fourth Proportional to 69,300.70, 103,691.55 and 49,356.30

Step by Step Solution

1. Step 1: Write the proportion equation
   69,300.70 : 103,691.55 = 49,356.30 : x
2. Step 2: Convert to fraction form
   69,300.70/103,691.55 = 49,356.30/x
3. Step 3: Cross multiply
   69,300.70x = 103,691.55 × 49,356.30
4. Step 4: Simplify right side
   69,300.70x = 5,117,831,249.27
5. Step 5: Solve for x
   x = 5,117,831,249.27/69,300.70
6. Step 6: Final answer
   x = 73,849.63