Finding the Fourth Proportional to 2,799.06, 4,173.89 and 2,774.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.06 : 4,173.89 = 2,774.08 : x
2. Step 2: Convert to fraction form
   2,799.06/4,173.89 = 2,774.08/x
3. Step 3: Cross multiply
   2,799.06x = 4,173.89 × 2,774.08
4. Step 4: Simplify right side
   2,799.06x = 11,578,699.52
5. Step 5: Solve for x
   x = 11,578,699.52/2,799.06
6. Step 6: Final answer
   x = 4,136.64