Finding the Fourth Proportional to 298,978.24, 448,469 and 77,362.24

Step by Step Solution

1. Step 1: Write the proportion equation
   298,978.24 : 448,469 = 77,362.24 : x
2. Step 2: Convert to fraction form
   298,978.24/448,469 = 77,362.24/x
3. Step 3: Cross multiply
   298,978.24x = 448,469 × 77,362.24
4. Step 4: Simplify right side
   298,978.24x = 34,694,566,410.56
5. Step 5: Solve for x
   x = 34,694,566,410.56/298,978.24
6. Step 6: Final answer
   x = 116,043.78