Finding the Fourth Proportional to 876,456.06, 1,314,693.45 and 277,405.98

Step by Step Solution

1. Step 1: Write the proportion equation
   876,456.06 : 1,314,693.45 = 277,405.98 : x
2. Step 2: Convert to fraction form
   876,456.06/1,314,693.45 = 277,405.98/x
3. Step 3: Cross multiply
   876,456.06x = 1,314,693.45 × 277,405.98
4. Step 4: Simplify right side
   876,456.06x = 364,703,824,896.83
5. Step 5: Solve for x
   x = 364,703,824,896.83/876,456.06
6. Step 6: Final answer
   x = 416,111.93