Finding the Fourth Proportional to 11,938.42, 17,874.82 and 9,007.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,938.42 : 17,874.82 = 9,007.84 : x
2. Step 2: Convert to fraction form
   11,938.42/17,874.82 = 9,007.84/x
3. Step 3: Cross multiply
   11,938.42x = 17,874.82 × 9,007.84
4. Step 4: Simplify right side
   11,938.42x = 161,013,518.59
5. Step 5: Solve for x
   x = 161,013,518.59/11,938.42
6. Step 6: Final answer
   x = 13,487.00