Finding the Fourth Proportional to 1,423,804.30, 1,964,850.72 and 779,224.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423,804.30 : 1,964,850.72 = 779,224.12 : x
2. Step 2: Convert to fraction form
   1,423,804.30/1,964,850.72 = 779,224.12/x
3. Step 3: Cross multiply
   1,423,804.30x = 1,964,850.72 × 779,224.12
4. Step 4: Simplify right side
   1,423,804.30x = 1,531,059,073,223.37
5. Step 5: Solve for x
   x = 1,531,059,073,223.37/1,423,804.30
6. Step 6: Final answer
   x = 1,075,329.72