Finding the Fourth Proportional to 30,856.47, 42,581.95 and 17,427.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,856.47 : 42,581.95 = 17,427.75 : x
2. Step 2: Convert to fraction form
   30,856.47/42,581.95 = 17,427.75/x
3. Step 3: Cross multiply
   30,856.47x = 42,581.95 × 17,427.75
4. Step 4: Simplify right side
   30,856.47x = 742,107,473.89
5. Step 5: Solve for x
   x = 742,107,473.89/30,856.47
6. Step 6: Final answer
   x = 24,050.31