Finding the Fourth Proportional to 245,300.10, 368,468.55 and 236,487.30

Step by Step Solution

1. Step 1: Write the proportion equation
   245,300.10 : 368,468.55 = 236,487.30 : x
2. Step 2: Convert to fraction form
   245,300.10/368,468.55 = 236,487.30/x
3. Step 3: Cross multiply
   245,300.10x = 368,468.55 × 236,487.30
4. Step 4: Simplify right side
   245,300.10x = 87,138,132,524.42
5. Step 5: Solve for x
   x = 87,138,132,524.42/245,300.10
6. Step 6: Final answer
   x = 355,230.73