Finding the Fourth Proportional to 30,706.68, 42,374.72 and 17,277.92

Step by Step Solution

1. Step 1: Write the proportion equation
   30,706.68 : 42,374.72 = 17,277.92 : x
2. Step 2: Convert to fraction form
   30,706.68/42,374.72 = 17,277.92/x
3. Step 3: Cross multiply
   30,706.68x = 42,374.72 × 17,277.92
4. Step 4: Simplify right side
   30,706.68x = 732,147,171.31
5. Step 5: Solve for x
   x = 732,147,171.31/30,706.68
6. Step 6: Final answer
   x = 23,843.26