Finding the Fourth Proportional to 9,981.62, 14,973.78 and 3,406.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,981.62 : 14,973.78 = 3,406.04 : x
2. Step 2: Convert to fraction form
   9,981.62/14,973.78 = 3,406.04/x
3. Step 3: Cross multiply
   9,981.62x = 14,973.78 × 3,406.04
4. Step 4: Simplify right side
   9,981.62x = 51,001,218.76
5. Step 5: Solve for x
   x = 51,001,218.76/9,981.62
6. Step 6: Final answer
   x = 5,109.52