Finding the Fourth Proportional to 12,842.56, 19,263.64 and 4,077.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,842.56 : 19,263.64 = 4,077.37 : x
2. Step 2: Convert to fraction form
   12,842.56/19,263.64 = 4,077.37/x
3. Step 3: Cross multiply
   12,842.56x = 19,263.64 × 4,077.37
4. Step 4: Simplify right side
   12,842.56x = 78,544,987.83
5. Step 5: Solve for x
   x = 78,544,987.83/12,842.56
6. Step 6: Final answer
   x = 6,115.99