Finding the Fourth Proportional to 774,417.78, 1,068,849.54 and 494,836.27

Step by Step Solution

1. Step 1: Write the proportion equation
   774,417.78 : 1,068,849.54 = 494,836.27 : x
2. Step 2: Convert to fraction form
   774,417.78/1,068,849.54 = 494,836.27/x
3. Step 3: Cross multiply
   774,417.78x = 1,068,849.54 × 494,836.27
4. Step 4: Simplify right side
   774,417.78x = 528,905,516,892.69
5. Step 5: Solve for x
   x = 528,905,516,892.69/774,417.78
6. Step 6: Final answer
   x = 682,971.82