Finding the Fourth Proportional to 1,856.07, 2,780.06 and 1,204.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,856.07 : 2,780.06 = 1,204.83 : x
2. Step 2: Convert to fraction form
   1,856.07/2,780.06 = 1,204.83/x
3. Step 3: Cross multiply
   1,856.07x = 2,780.06 × 1,204.83
4. Step 4: Simplify right side
   1,856.07x = 3,349,493.67
5. Step 5: Solve for x
   x = 3,349,493.67/1,856.07
6. Step 6: Final answer
   x = 1,804.62