Finding the Fourth Proportional to 942,470.52, 1,300,571.40 and 512,752.42

Step by Step Solution

1. Step 1: Write the proportion equation
   942,470.52 : 1,300,571.40 = 512,752.42 : x
2. Step 2: Convert to fraction form
   942,470.52/1,300,571.40 = 512,752.42/x
3. Step 3: Cross multiply
   942,470.52x = 1,300,571.40 × 512,752.42
4. Step 4: Simplify right side
   942,470.52x = 666,871,132,732.79
5. Step 5: Solve for x
   x = 666,871,132,732.79/942,470.52
6. Step 6: Final answer
   x = 707,577.71