Finding the Fourth Proportional to 1,007,800.94, 1,390,765.22 and 555,091.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,800.94 : 1,390,765.22 = 555,091.94 : x
2. Step 2: Convert to fraction form
   1,007,800.94/1,390,765.22 = 555,091.94/x
3. Step 3: Cross multiply
   1,007,800.94x = 1,390,765.22 × 555,091.94
4. Step 4: Simplify right side
   1,007,800.94x = 772,002,564,054.33
5. Step 5: Solve for x
   x = 772,002,564,054.33/1,007,800.94
6. Step 6: Final answer
   x = 766,026.83