Finding the Fourth Proportional to 2,648,576.22, 3,972,900.78 and 755,317.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648,576.22 : 3,972,900.78 = 755,317.86 : x
2. Step 2: Convert to fraction form
   2,648,576.22/3,972,900.78 = 755,317.86/x
3. Step 3: Cross multiply
   2,648,576.22x = 3,972,900.78 × 755,317.86
4. Step 4: Simplify right side
   2,648,576.22x = 3,000,802,915,141.93
5. Step 5: Solve for x
   x = 3,000,802,915,141.93/2,648,576.22
6. Step 6: Final answer
   x = 1,132,987.18