Finding the Fourth Proportional to 49,978.05, 74,980.05 and 14,917.71

Step by Step Solution

1. Step 1: Write the proportion equation
   49,978.05 : 74,980.05 = 14,917.71 : x
2. Step 2: Convert to fraction form
   49,978.05/74,980.05 = 14,917.71/x
3. Step 3: Cross multiply
   49,978.05x = 74,980.05 × 14,917.71
4. Step 4: Simplify right side
   49,978.05x = 1,118,530,641.69
5. Step 5: Solve for x
   x = 1,118,530,641.69/49,978.05
6. Step 6: Final answer
   x = 22,380.44