Finding the Fourth Proportional to 35,086.09, 48,418.85 and 19,978.76

Step by Step Solution

1. Step 1: Write the proportion equation
   35,086.09 : 48,418.85 = 19,978.76 : x
2. Step 2: Convert to fraction form
   35,086.09/48,418.85 = 19,978.76/x
3. Step 3: Cross multiply
   35,086.09x = 48,418.85 × 19,978.76
4. Step 4: Simplify right side
   35,086.09x = 967,348,583.63
5. Step 5: Solve for x
   x = 967,348,583.63/35,086.09
6. Step 6: Final answer
   x = 27,570.71