Finding the Fourth Proportional to 948,746.37, 1,309,265.33 and 519,018.69

Step by Step Solution

1. Step 1: Write the proportion equation
   948,746.37 : 1,309,265.33 = 519,018.69 : x
2. Step 2: Convert to fraction form
   948,746.37/1,309,265.33 = 519,018.69/x
3. Step 3: Cross multiply
   948,746.37x = 1,309,265.33 × 519,018.69
4. Step 4: Simplify right side
   948,746.37x = 679,533,173,843.92
5. Step 5: Solve for x
   x = 679,533,173,843.92/948,746.37
6. Step 6: Final answer
   x = 716,243.24