Finding the Fourth Proportional to 445,933.50, 615,388.23 and 267,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   445,933.50 : 615,388.23 = 267,085.50 : x
2. Step 2: Convert to fraction form
   445,933.50/615,388.23 = 267,085.50/x
3. Step 3: Cross multiply
   445,933.50x = 615,388.23 × 267,085.50
4. Step 4: Simplify right side
   445,933.50x = 164,361,273,103.67
5. Step 5: Solve for x
   x = 164,361,273,103.67/445,933.50
6. Step 6: Final answer
   x = 368,577.99