Finding the Fourth Proportional to 1,665,550.48, 2,497,951.98 and 766,128.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,550.48 : 2,497,951.98 = 766,128.40 : x
2. Step 2: Convert to fraction form
   1,665,550.48/2,497,951.98 = 766,128.40/x
3. Step 3: Cross multiply
   1,665,550.48x = 2,497,951.98 × 766,128.40
4. Step 4: Simplify right side
   1,665,550.48x = 1,913,751,953,714.23
5. Step 5: Solve for x
   x = 1,913,751,953,714.23/1,665,550.48
6. Step 6: Final answer
   x = 1,149,020.69