Finding the Fourth Proportional to 2,107,449.31, 3,161,174.10 and 510,012.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,449.31 : 3,161,174.10 = 510,012.55 : x
2. Step 2: Convert to fraction form
   2,107,449.31/3,161,174.10 = 510,012.55/x
3. Step 3: Cross multiply
   2,107,449.31x = 3,161,174.10 × 510,012.55
4. Step 4: Simplify right side
   2,107,449.31x = 1,612,238,463,734.96
5. Step 5: Solve for x
   x = 1,612,238,463,734.96/2,107,449.31
6. Step 6: Final answer
   x = 765,018.86