Finding the Fourth Proportional to 298,477.88, 411,878.72 and 169,419.04

Step by Step Solution

1. Step 1: Write the proportion equation
   298,477.88 : 411,878.72 = 169,419.04 : x
2. Step 2: Convert to fraction form
   298,477.88/411,878.72 = 169,419.04/x
3. Step 3: Cross multiply
   298,477.88x = 411,878.72 × 169,419.04
4. Step 4: Simplify right side
   298,477.88x = 69,780,097,338.83
5. Step 5: Solve for x
   x = 69,780,097,338.83/298,477.88
6. Step 6: Final answer
   x = 233,786.49