Finding the Fourth Proportional to 30,624.84, 42,261.15 and 17,196.66

Step by Step Solution

1. Step 1: Write the proportion equation
   30,624.84 : 42,261.15 = 17,196.66 : x
2. Step 2: Convert to fraction form
   30,624.84/42,261.15 = 17,196.66/x
3. Step 3: Cross multiply
   30,624.84x = 42,261.15 × 17,196.66
4. Step 4: Simplify right side
   30,624.84x = 726,750,627.76
5. Step 5: Solve for x
   x = 726,750,627.76/30,624.84
6. Step 6: Final answer
   x = 23,730.76