Finding the Fourth Proportional to 35,978.14, 49,649.88 and 19,845.09

Step by Step Solution

1. Step 1: Write the proportion equation
   35,978.14 : 49,649.88 = 19,845.09 : x
2. Step 2: Convert to fraction form
   35,978.14/49,649.88 = 19,845.09/x
3. Step 3: Cross multiply
   35,978.14x = 49,649.88 × 19,845.09
4. Step 4: Simplify right side
   35,978.14x = 985,306,150.90
5. Step 5: Solve for x
   x = 985,306,150.90/35,978.14
6. Step 6: Final answer
   x = 27,386.25