Finding the Fourth Proportional to 12,835.12, 19,255.56 and 4,070.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,835.12 : 19,255.56 = 4,070.56 : x
2. Step 2: Convert to fraction form
   12,835.12/19,255.56 = 4,070.56/x
3. Step 3: Cross multiply
   12,835.12x = 19,255.56 × 4,070.56
4. Step 4: Simplify right side
   12,835.12x = 78,380,912.31
5. Step 5: Solve for x
   x = 78,380,912.31/12,835.12
6. Step 6: Final answer
   x = 6,106.75