Finding the Fourth Proportional to 755,665.94, 1,042,739.59 and 428,875.02

Step by Step Solution

1. Step 1: Write the proportion equation
   755,665.94 : 1,042,739.59 = 428,875.02 : x
2. Step 2: Convert to fraction form
   755,665.94/1,042,739.59 = 428,875.02/x
3. Step 3: Cross multiply
   755,665.94x = 1,042,739.59 × 428,875.02
4. Step 4: Simplify right side
   755,665.94x = 447,204,960,371.67
5. Step 5: Solve for x
   x = 447,204,960,371.67/755,665.94
6. Step 6: Final answer
   x = 591,802.46