Finding the Fourth Proportional to 1,296,013.47, 1,788,499.71 and 723,053.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,296,013.47 : 1,788,499.71 = 723,053.81 : x
2. Step 2: Convert to fraction form
   1,296,013.47/1,788,499.71 = 723,053.81/x
3. Step 3: Cross multiply
   1,296,013.47x = 1,788,499.71 × 723,053.81
4. Step 4: Simplify right side
   1,296,013.47x = 1,293,181,520,556.90
5. Step 5: Solve for x
   x = 1,293,181,520,556.90/1,296,013.47
6. Step 6: Final answer
   x = 997,814.88