Finding the Fourth Proportional to 12,779.38, 19,162.59 and 5,847.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,779.38 : 19,162.59 = 5,847.94 : x
2. Step 2: Convert to fraction form
   12,779.38/19,162.59 = 5,847.94/x
3. Step 3: Cross multiply
   12,779.38x = 19,162.59 × 5,847.94
4. Step 4: Simplify right side
   12,779.38x = 112,061,606.73
5. Step 5: Solve for x
   x = 112,061,606.73/12,779.38
6. Step 6: Final answer
   x = 8,768.94