Finding the Fourth Proportional to 744,287.99, 1,116,440.61 and 707,986.69

Step by Step Solution

1. Step 1: Write the proportion equation
   744,287.99 : 1,116,440.61 = 707,986.69 : x
2. Step 2: Convert to fraction form
   744,287.99/1,116,440.61 = 707,986.69/x
3. Step 3: Cross multiply
   744,287.99x = 1,116,440.61 × 707,986.69
4. Step 4: Simplify right side
   744,287.99x = 790,425,086,609.43
5. Step 5: Solve for x
   x = 790,425,086,609.43/744,287.99
6. Step 6: Final answer
   x = 1,061,988.24