Finding the Fourth Proportional to 1,213,976.27, 1,675,287.59 and 670,112.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,976.27 : 1,675,287.59 = 670,112.41 : x
2. Step 2: Convert to fraction form
   1,213,976.27/1,675,287.59 = 670,112.41/x
3. Step 3: Cross multiply
   1,213,976.27x = 1,675,287.59 × 670,112.41
4. Step 4: Simplify right side
   1,213,976.27x = 1,122,631,004,377.99
5. Step 5: Solve for x
   x = 1,122,631,004,377.99/1,213,976.27
6. Step 6: Final answer
   x = 924,755.31