Finding the Fourth Proportional to 1,876,287, 2,589,553.98 and 1,188,022.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876,287 : 2,589,553.98 = 1,188,022.86 : x
2. Step 2: Convert to fraction form
   1,876,287/2,589,553.98 = 1,188,022.86/x
3. Step 3: Cross multiply
   1,876,287x = 2,589,553.98 × 1,188,022.86
4. Step 4: Simplify right side
   1,876,287x = 3,076,449,325,443.98
5. Step 5: Solve for x
   x = 3,076,449,325,443.98/1,876,287
6. Step 6: Final answer
   x = 1,639,647.52