Finding the Fourth Proportional to 8,054.31, 12,077.37 and 2,788.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,054.31 : 12,077.37 = 2,788.77 : x
2. Step 2: Convert to fraction form
   8,054.31/12,077.37 = 2,788.77/x
3. Step 3: Cross multiply
   8,054.31x = 12,077.37 × 2,788.77
4. Step 4: Simplify right side
   8,054.31x = 33,680,955.74
5. Step 5: Solve for x
   x = 33,680,955.74/8,054.31
6. Step 6: Final answer
   x = 4,181.73