Finding the Fourth Proportional to 445,934.27, 615,131.93 and 284,607.48

Step by Step Solution

1. Step 1: Write the proportion equation
   445,934.27 : 615,131.93 = 284,607.48 : x
2. Step 2: Convert to fraction form
   445,934.27/615,131.93 = 284,607.48/x
3. Step 3: Cross multiply
   445,934.27x = 615,131.93 × 284,607.48
4. Step 4: Simplify right side
   445,934.27x = 175,071,151,483.10
5. Step 5: Solve for x
   x = 175,071,151,483.10/445,934.27
6. Step 6: Final answer
   x = 392,594.07