Finding the Fourth Proportional to 9,787.83, 14,679.89 and 2,767.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,787.83 : 14,679.89 = 2,767.79 : x
2. Step 2: Convert to fraction form
   9,787.83/14,679.89 = 2,767.79/x
3. Step 3: Cross multiply
   9,787.83x = 14,679.89 × 2,767.79
4. Step 4: Simplify right side
   9,787.83x = 40,630,779.34
5. Step 5: Solve for x
   x = 40,630,779.34/9,787.83
6. Step 6: Final answer
   x = 4,151.15