Finding the Fourth Proportional to 687,338.89, 1,031,762.56 and 546,092.10

Step by Step Solution

1. Step 1: Write the proportion equation
   687,338.89 : 1,031,762.56 = 546,092.10 : x
2. Step 2: Convert to fraction form
   687,338.89/1,031,762.56 = 546,092.10/x
3. Step 3: Cross multiply
   687,338.89x = 1,031,762.56 × 546,092.10
4. Step 4: Simplify right side
   687,338.89x = 563,437,383,091.78
5. Step 5: Solve for x
   x = 563,437,383,091.78/687,338.89
6. Step 6: Final answer
   x = 819,737.38