Finding the Fourth Proportional to 12,942.51, 19,409.61 and 4,175.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942.51 : 19,409.61 = 4,175.37 : x
2. Step 2: Convert to fraction form
   12,942.51/19,409.61 = 4,175.37/x
3. Step 3: Cross multiply
   12,942.51x = 19,409.61 × 4,175.37
4. Step 4: Simplify right side
   12,942.51x = 81,042,303.31
5. Step 5: Solve for x
   x = 81,042,303.31/12,942.51
6. Step 6: Final answer
   x = 6,261.71