Finding the Fourth Proportional to 1,864.93, 2,796.38 and 1,206.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.93 : 2,796.38 = 1,206.72 : x
2. Step 2: Convert to fraction form
   1,864.93/2,796.38 = 1,206.72/x
3. Step 3: Cross multiply
   1,864.93x = 2,796.38 × 1,206.72
4. Step 4: Simplify right side
   1,864.93x = 3,374,447.67
5. Step 5: Solve for x
   x = 3,374,447.67/1,864.93
6. Step 6: Final answer
   x = 1,809.42