Finding the Fourth Proportional to 942,350, 1,300,443 and 518,414

Step by Step Solution

1. Step 1: Write the proportion equation
   942,350 : 1,300,443 = 518,414 : x
2. Step 2: Convert to fraction form
   942,350/1,300,443 = 518,414/x
3. Step 3: Cross multiply
   942,350x = 1,300,443 × 518,414
4. Step 4: Simplify right side
   942,350x = 674,167,857,402
5. Step 5: Solve for x
   x = 674,167,857,402/942,350
6. Step 6: Final answer
   x = 715,411.32