Finding the Fourth Proportional to 1,449,667.86, 2,173,640.31 and 551,175.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449,667.86 : 2,173,640.31 = 551,175.36 : x
2. Step 2: Convert to fraction form
   1,449,667.86/2,173,640.31 = 551,175.36/x
3. Step 3: Cross multiply
   1,449,667.86x = 2,173,640.31 × 551,175.36
4. Step 4: Simplify right side
   1,449,667.86x = 1,198,056,980,374.76
5. Step 5: Solve for x
   x = 1,198,056,980,374.76/1,449,667.86
6. Step 6: Final answer
   x = 826,435.50