Finding the Fourth Proportional to 1,813,456.77, 2,720,086.75 and 551,185.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,813,456.77 : 2,720,086.75 = 551,185.98 : x
2. Step 2: Convert to fraction form
   1,813,456.77/2,720,086.75 = 551,185.98/x
3. Step 3: Cross multiply
   1,813,456.77x = 2,720,086.75 × 551,185.98
4. Step 4: Simplify right side
   1,813,456.77x = 1,499,273,680,983.77
5. Step 5: Solve for x
   x = 1,499,273,680,983.77/1,813,456.77
6. Step 6: Final answer
   x = 826,749.06