Finding the Fourth Proportional to 30,875.79, 42,615.59 and 17,454.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,875.79 : 42,615.59 = 17,454.84 : x
2. Step 2: Convert to fraction form
   30,875.79/42,615.59 = 17,454.84/x
3. Step 3: Cross multiply
   30,875.79x = 42,615.59 × 17,454.84
4. Step 4: Simplify right side
   30,875.79x = 743,848,304.96
5. Step 5: Solve for x
   x = 743,848,304.96/30,875.79
6. Step 6: Final answer
   x = 24,091.64