Finding the Fourth Proportional to 759,309.48, 1,140,735.69 and 443,987.82

Step by Step Solution

1. Step 1: Write the proportion equation
   759,309.48 : 1,140,735.69 = 443,987.82 : x
2. Step 2: Convert to fraction form
   759,309.48/1,140,735.69 = 443,987.82/x
3. Step 3: Cross multiply
   759,309.48x = 1,140,735.69 × 443,987.82
4. Step 4: Simplify right side
   759,309.48x = 506,472,752,199.30
5. Step 5: Solve for x
   x = 506,472,752,199.30/759,309.48
6. Step 6: Final answer
   x = 667,017.55