Finding the Fourth Proportional to 2,648,345.34, 3,972,554.92 and 755,086.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,345.34 : 3,972,554.92 = 755,086.78 : x
2. Step 2: Convert to fraction form
   2,648,345.34/3,972,554.92 = 755,086.78/x
3. Step 3: Cross multiply
   2,648,345.34x = 3,972,554.92 × 755,086.78
4. Step 4: Simplify right side
   2,648,345.34x = 2,999,623,693,405.34
5. Step 5: Solve for x
   x = 2,999,623,693,405.34/2,648,345.34
6. Step 6: Final answer
   x = 1,132,640.69