Finding the Fourth Proportional to 1,214,382.57, 1,675,145.41 and 784,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,382.57 : 1,675,145.41 = 784,662.72 : x
2. Step 2: Convert to fraction form
   1,214,382.57/1,675,145.41 = 784,662.72/x
3. Step 3: Cross multiply
   1,214,382.57x = 1,675,145.41 × 784,662.72
4. Step 4: Simplify right side
   1,214,382.57x = 1,314,424,153,806.12
5. Step 5: Solve for x
   x = 1,314,424,153,806.12/1,214,382.57
6. Step 6: Final answer
   x = 1,082,380.62