Finding the Fourth Proportional to 9,987.03, 14,981.76 and 3,414.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,987.03 : 14,981.76 = 3,414.69 : x
2. Step 2: Convert to fraction form
   9,987.03/14,981.76 = 3,414.69/x
3. Step 3: Cross multiply
   9,987.03x = 14,981.76 × 3,414.69
4. Step 4: Simplify right side
   9,987.03x = 51,158,066.05
5. Step 5: Solve for x
   x = 51,158,066.05/9,987.03
6. Step 6: Final answer
   x = 5,122.45