Finding the Fourth Proportional to 783,196.75, 1,174,796.01 and 214,582.78

Step by Step Solution

1. Step 1: Write the proportion equation
   783,196.75 : 1,174,796.01 = 214,582.78 : x
2. Step 2: Convert to fraction form
   783,196.75/1,174,796.01 = 214,582.78/x
3. Step 3: Cross multiply
   783,196.75x = 1,174,796.01 × 214,582.78
4. Step 4: Simplify right side
   783,196.75x = 252,090,993,758.71
5. Step 5: Solve for x
   x = 252,090,993,758.71/783,196.75
6. Step 6: Final answer
   x = 321,874.41