Finding the Fourth Proportional to 415,068.84, 572,835.72 and 242,976.42

Step by Step Solution

1. Step 1: Write the proportion equation
   415,068.84 : 572,835.72 = 242,976.42 : x
2. Step 2: Convert to fraction form
   415,068.84/572,835.72 = 242,976.42/x
3. Step 3: Cross multiply
   415,068.84x = 572,835.72 × 242,976.42
4. Step 4: Simplify right side
   415,068.84x = 139,185,572,493.72
5. Step 5: Solve for x
   x = 139,185,572,493.72/415,068.84
6. Step 6: Final answer
   x = 335,331.30