Finding the Fourth Proportional to 980,470.83, 1,353,118.77 and 550,751.30

Step by Step Solution

1. Step 1: Write the proportion equation
   980,470.83 : 1,353,118.77 = 550,751.30 : x
2. Step 2: Convert to fraction form
   980,470.83/1,353,118.77 = 550,751.30/x
3. Step 3: Cross multiply
   980,470.83x = 1,353,118.77 × 550,751.30
4. Step 4: Simplify right side
   980,470.83x = 745,231,919,940.50
5. Step 5: Solve for x
   x = 745,231,919,940.50/980,470.83
6. Step 6: Final answer
   x = 760,075.57