Finding the Fourth Proportional to 753,196.05, 1,039,418.64 and 413,664.30

Step by Step Solution

1. Step 1: Write the proportion equation
   753,196.05 : 1,039,418.64 = 413,664.30 : x
2. Step 2: Convert to fraction form
   753,196.05/1,039,418.64 = 413,664.30/x
3. Step 3: Cross multiply
   753,196.05x = 1,039,418.64 × 413,664.30
4. Step 4: Simplify right side
   753,196.05x = 429,970,384,122.55
5. Step 5: Solve for x
   x = 429,970,384,122.55/753,196.05
6. Step 6: Final answer
   x = 570,861.18