Finding the Fourth Proportional to 49,131.50, 73,697.74 and 12,195.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,131.50 : 73,697.74 = 12,195.50 : x
2. Step 2: Convert to fraction form
   49,131.50/73,697.74 = 12,195.50/x
3. Step 3: Cross multiply
   49,131.50x = 73,697.74 × 12,195.50
4. Step 4: Simplify right side
   49,131.50x = 898,780,788.17
5. Step 5: Solve for x
   x = 898,780,788.17/49,131.50
6. Step 6: Final answer
   x = 18,293.37