Finding the Fourth Proportional to 978,774.42, 1,468,158.83 and 268,803.15

Step by Step Solution

1. Step 1: Write the proportion equation
   978,774.42 : 1,468,158.83 = 268,803.15 : x
2. Step 2: Convert to fraction form
   978,774.42/1,468,158.83 = 268,803.15/x
3. Step 3: Cross multiply
   978,774.42x = 1,468,158.83 × 268,803.15
4. Step 4: Simplify right side
   978,774.42x = 394,645,718,204.32
5. Step 5: Solve for x
   x = 394,645,718,204.32/978,774.42
6. Step 6: Final answer
   x = 403,203.96