Finding the Fourth Proportional to 964,761.32, 1,448,009.34 and 515,865.89

Step by Step Solution

1. Step 1: Write the proportion equation
   964,761.32 : 1,448,009.34 = 515,865.89 : x
2. Step 2: Convert to fraction form
   964,761.32/1,448,009.34 = 515,865.89/x
3. Step 3: Cross multiply
   964,761.32x = 1,448,009.34 × 515,865.89
4. Step 4: Simplify right side
   964,761.32x = 746,978,626,907.41
5. Step 5: Solve for x
   x = 746,978,626,907.41/964,761.32
6. Step 6: Final answer
   x = 774,262.62