Finding the Fourth Proportional to 49,154, 73,731.27 and 12,218

Step by Step Solution

1. Step 1: Write the proportion equation
   49,154 : 73,731.27 = 12,218 : x
2. Step 2: Convert to fraction form
   49,154/73,731.27 = 12,218/x
3. Step 3: Cross multiply
   49,154x = 73,731.27 × 12,218
4. Step 4: Simplify right side
   49,154x = 900,848,656.86
5. Step 5: Solve for x
   x = 900,848,656.86/49,154
6. Step 6: Final answer
   x = 18,327.07