Finding the Fourth Proportional to 1,253,543.82, 1,729,931.82 and 709,668.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,253,543.82 : 1,729,931.82 = 709,668.50 : x
2. Step 2: Convert to fraction form
   1,253,543.82/1,729,931.82 = 709,668.50/x
3. Step 3: Cross multiply
   1,253,543.82x = 1,729,931.82 × 709,668.50
4. Step 4: Simplify right side
   1,253,543.82x = 1,227,678,119,801.67
5. Step 5: Solve for x
   x = 1,227,678,119,801.67/1,253,543.82
6. Step 6: Final answer
   x = 979,365.94