Finding the Fourth Proportional to 782,648.82, 1,174,499.33 and 277,208.01

Step by Step Solution

1. Step 1: Write the proportion equation
   782,648.82 : 1,174,499.33 = 277,208.01 : x
2. Step 2: Convert to fraction form
   782,648.82/1,174,499.33 = 277,208.01/x
3. Step 3: Cross multiply
   782,648.82x = 1,174,499.33 × 277,208.01
4. Step 4: Simplify right side
   782,648.82x = 325,580,620,629.59
5. Step 5: Solve for x
   x = 325,580,620,629.59/782,648.82
6. Step 6: Final answer
   x = 415,998.35