Finding the Fourth Proportional to 980,765.82, 1,353,457.98 and 551,045.70

Step by Step Solution

1. Step 1: Write the proportion equation
   980,765.82 : 1,353,457.98 = 551,045.70 : x
2. Step 2: Convert to fraction form
   980,765.82/1,353,457.98 = 551,045.70/x
3. Step 3: Cross multiply
   980,765.82x = 1,353,457.98 × 551,045.70
4. Step 4: Simplify right side
   980,765.82x = 745,817,200,009.69
5. Step 5: Solve for x
   x = 745,817,200,009.69/980,765.82
6. Step 6: Final answer
   x = 760,443.71