Finding the Fourth Proportional to 942,662.54, 1,300,647.56 and 555,493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   942,662.54 : 1,300,647.56 = 555,493.82 : x
2. Step 2: Convert to fraction form
   942,662.54/1,300,647.56 = 555,493.82/x
3. Step 3: Cross multiply
   942,662.54x = 1,300,647.56 × 555,493.82
4. Step 4: Simplify right side
   942,662.54x = 722,501,672,297.37
5. Step 5: Solve for x
   x = 722,501,672,297.37/942,662.54
6. Step 6: Final answer
   x = 766,447.85