Finding the Fourth Proportional to 49,218.86, 73,820.39 and 17,623.05

Step by Step Solution

1. Step 1: Write the proportion equation
   49,218.86 : 73,820.39 = 17,623.05 : x
2. Step 2: Convert to fraction form
   49,218.86/73,820.39 = 17,623.05/x
3. Step 3: Cross multiply
   49,218.86x = 73,820.39 × 17,623.05
4. Step 4: Simplify right side
   49,218.86x = 1,300,940,335.87
5. Step 5: Solve for x
   x = 1,300,940,335.87/49,218.86
6. Step 6: Final answer
   x = 26,431.75