Finding the Fourth Proportional to 1,395,443.37, 2,090,362.44 and 636,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395,443.37 : 2,090,362.44 = 636,240.50 : x
2. Step 2: Convert to fraction form
   1,395,443.37/2,090,362.44 = 636,240.50/x
3. Step 3: Cross multiply
   1,395,443.37x = 2,090,362.44 × 636,240.50
4. Step 4: Simplify right side
   1,395,443.37x = 1,329,973,233,555.01
5. Step 5: Solve for x
   x = 1,329,973,233,555.01/1,395,443.37
6. Step 6: Final answer
   x = 953,082.91