Finding the Fourth Proportional to 940,493.89, 1,297,889.20 and 510,777.10

Step by Step Solution

1. Step 1: Write the proportion equation
   940,493.89 : 1,297,889.20 = 510,777.10 : x
2. Step 2: Convert to fraction form
   940,493.89/1,297,889.20 = 510,777.10/x
3. Step 3: Cross multiply
   940,493.89x = 1,297,889.20 × 510,777.10
4. Step 4: Simplify right side
   940,493.89x = 662,932,081,697.32
5. Step 5: Solve for x
   x = 662,932,081,697.32/940,493.89
6. Step 6: Final answer
   x = 704,876.54