Finding the Fourth Proportional to 17,990.16, 24,836.57 and 12,474.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,990.16 : 24,836.57 = 12,474.82 : x
2. Step 2: Convert to fraction form
   17,990.16/24,836.57 = 12,474.82/x
3. Step 3: Cross multiply
   17,990.16x = 24,836.57 × 12,474.82
4. Step 4: Simplify right side
   17,990.16x = 309,831,740.17
5. Step 5: Solve for x
   x = 309,831,740.17/17,990.16
6. Step 6: Final answer
   x = 17,222.29