Finding the Fourth Proportional to 1,002,979.50, 1,384,136.01 and 550,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,979.50 : 1,384,136.01 = 550,270.50 : x
2. Step 2: Convert to fraction form
   1,002,979.50/1,384,136.01 = 550,270.50/x
3. Step 3: Cross multiply
   1,002,979.50x = 1,384,136.01 × 550,270.50
4. Step 4: Simplify right side
   1,002,979.50x = 761,649,214,290.71
5. Step 5: Solve for x
   x = 761,649,214,290.71/1,002,979.50
6. Step 6: Final answer
   x = 759,386.62