Finding the Fourth Proportional to 49,046.56, 73,547.76 and 13,978.24

Step by Step Solution

1. Step 1: Write the proportion equation
   49,046.56 : 73,547.76 = 13,978.24 : x
2. Step 2: Convert to fraction form
   49,046.56/73,547.76 = 13,978.24/x
3. Step 3: Cross multiply
   49,046.56x = 73,547.76 × 13,978.24
4. Step 4: Simplify right side
   49,046.56x = 1,028,068,240.74
5. Step 5: Solve for x
   x = 1,028,068,240.74/49,046.56
6. Step 6: Final answer
   x = 20,961.07