Finding the Fourth Proportional to 49,046.72, 73,561.82 and 13,978.04

Step by Step Solution

1. Step 1: Write the proportion equation
   49,046.72 : 73,561.82 = 13,978.04 : x
2. Step 2: Convert to fraction form
   49,046.72/73,561.82 = 13,978.04/x
3. Step 3: Cross multiply
   49,046.72x = 73,561.82 × 13,978.04
4. Step 4: Simplify right side
   49,046.72x = 1,028,250,062.43
5. Step 5: Solve for x
   x = 1,028,250,062.43/49,046.72
6. Step 6: Final answer
   x = 20,964.71