Finding the Fourth Proportional to 1,855,116.86, 2,559,999.37 and 1,028,155.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855,116.86 : 2,559,999.37 = 1,028,155.18 : x
2. Step 2: Convert to fraction form
   1,855,116.86/2,559,999.37 = 1,028,155.18/x
3. Step 3: Cross multiply
   1,855,116.86x = 2,559,999.37 × 1,028,155.18
4. Step 4: Simplify right side
   1,855,116.86x = 2,632,076,611,783.54
5. Step 5: Solve for x
   x = 2,632,076,611,783.54/1,855,116.86
6. Step 6: Final answer
   x = 1,418,819.84