Finding the Fourth Proportional to 615,004.89, 848,727.82 and 356,862.34

Step by Step Solution

1. Step 1: Write the proportion equation
   615,004.89 : 848,727.82 = 356,862.34 : x
2. Step 2: Convert to fraction form
   615,004.89/848,727.82 = 356,862.34/x
3. Step 3: Cross multiply
   615,004.89x = 848,727.82 × 356,862.34
4. Step 4: Simplify right side
   615,004.89x = 302,878,995,868.30
5. Step 5: Solve for x
   x = 302,878,995,868.30/615,004.89
6. Step 6: Final answer
   x = 492,482.26