Finding the Fourth Proportional to 1,013,837.69, 1,399,131.53 and 554,952.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,837.69 : 1,399,131.53 = 554,952.55 : x
2. Step 2: Convert to fraction form
   1,013,837.69/1,399,131.53 = 554,952.55/x
3. Step 3: Cross multiply
   1,013,837.69x = 1,399,131.53 × 554,952.55
4. Step 4: Simplify right side
   1,013,837.69x = 776,451,614,693.34
5. Step 5: Solve for x
   x = 776,451,614,693.34/1,013,837.69
6. Step 6: Final answer
   x = 765,853.97