Finding the Fourth Proportional to 2,648,346.34, 3,972,556.42 and 755,087.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,346.34 : 3,972,556.42 = 755,087.78 : x
2. Step 2: Convert to fraction form
   2,648,346.34/3,972,556.42 = 755,087.78/x
3. Step 3: Cross multiply
   2,648,346.34x = 3,972,556.42 × 755,087.78
4. Step 4: Simplify right side
   2,648,346.34x = 2,999,628,808,102.55
5. Step 5: Solve for x
   x = 2,999,628,808,102.55/2,648,346.34
6. Step 6: Final answer
   x = 1,132,642.19