Finding the Fourth Proportional to 876,105.57, 1,314,149.59 and 277,066.83

Step by Step Solution

1. Step 1: Write the proportion equation
   876,105.57 : 1,314,149.59 = 277,066.83 : x
2. Step 2: Convert to fraction form
   876,105.57/1,314,149.59 = 277,066.83/x
3. Step 3: Cross multiply
   876,105.57x = 1,314,149.59 × 277,066.83
4. Step 4: Simplify right side
   876,105.57x = 364,107,259,708.65
5. Step 5: Solve for x
   x = 364,107,259,708.65/876,105.57
6. Step 6: Final answer
   x = 415,597.47