Finding the Fourth Proportional to 49,054.30, 73,582.17 and 12,118.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,054.30 : 73,582.17 = 12,118.30 : x
2. Step 2: Convert to fraction form
   49,054.30/73,582.17 = 12,118.30/x
3. Step 3: Cross multiply
   49,054.30x = 73,582.17 × 12,118.30
4. Step 4: Simplify right side
   49,054.30x = 891,690,810.71
5. Step 5: Solve for x
   x = 891,690,810.71/49,054.30
6. Step 6: Final answer
   x = 18,177.63