Finding the Fourth Proportional to 49,039.50, 73,560.33 and 12,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,039.50 : 73,560.33 = 12,103.50 : x
2. Step 2: Convert to fraction form
   49,039.50/73,560.33 = 12,103.50/x
3. Step 3: Cross multiply
   49,039.50x = 73,560.33 × 12,103.50
4. Step 4: Simplify right side
   49,039.50x = 890,337,454.16
5. Step 5: Solve for x
   x = 890,337,454.16/49,039.50
6. Step 6: Final answer
   x = 18,155.52