Finding the Fourth Proportional to 635,410.50, 877,063.32 and 409,056

Step by Step Solution

1. Step 1: Write the proportion equation
   635,410.50 : 877,063.32 = 409,056 : x
2. Step 2: Convert to fraction form
   635,410.50/877,063.32 = 409,056/x
3. Step 3: Cross multiply
   635,410.50x = 877,063.32 × 409,056
4. Step 4: Simplify right side
   635,410.50x = 358,768,013,425.92
5. Step 5: Solve for x
   x = 358,768,013,425.92/635,410.50
6. Step 6: Final answer
   x = 564,623.99