Finding the Fourth Proportional to 1,044,405.50, 1,441,150.38 and 636,359.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,044,405.50 : 1,441,150.38 = 636,359.09 : x
2. Step 2: Convert to fraction form
   1,044,405.50/1,441,150.38 = 636,359.09/x
3. Step 3: Cross multiply
   1,044,405.50x = 1,441,150.38 × 636,359.09
4. Step 4: Simplify right side
   1,044,405.50x = 917,089,137,164.20
5. Step 5: Solve for x
   x = 917,089,137,164.20/1,044,405.50
6. Step 6: Final answer
   x = 878,096.81