Finding the Fourth Proportional to 802,105.50, 1,106,905.59 and 444,409.50

Step by Step Solution

1. Step 1: Write the proportion equation
   802,105.50 : 1,106,905.59 = 444,409.50 : x
2. Step 2: Convert to fraction form
   802,105.50/1,106,905.59 = 444,409.50/x
3. Step 3: Cross multiply
   802,105.50x = 1,106,905.59 × 444,409.50
4. Step 4: Simplify right side
   802,105.50x = 491,919,359,799.11
5. Step 5: Solve for x
   x = 491,919,359,799.11/802,105.50
6. Step 6: Final answer
   x = 613,285.11