Finding the Fourth Proportional to 5,405,300.78, 7,459,315.82 and 2,957,912.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,405,300.78 : 7,459,315.82 = 2,957,912.42 : x
2. Step 2: Convert to fraction form
   5,405,300.78/7,459,315.82 = 2,957,912.42/x
3. Step 3: Cross multiply
   5,405,300.78x = 7,459,315.82 × 2,957,912.42
4. Step 4: Simplify right side
   5,405,300.78x = 22,064,002,856,594.34
5. Step 5: Solve for x
   x = 22,064,002,856,594.34/5,405,300.78
6. Step 6: Final answer
   x = 4,081,919.54